diff --git a/drust/src/main.rs b/drust/src/main.rs
index 3f2073d2..f5167f33 100644
--- a/drust/src/main.rs
+++ b/drust/src/main.rs
@@ -1,11 +1,11 @@
 use pagetop::prelude::*;
 
-pub_const_handler!(APP_DRUST);
+pub_handle!(APP_DRUST);
 
 struct Drust;
 
 impl ModuleTrait for Drust {
-    fn handler(&self) -> Handler {
+    fn handle(&self) -> Handle {
         APP_DRUST
     }
 
diff --git a/pagetop-admin/src/lib.rs b/pagetop-admin/src/lib.rs
index 4ddd3279..20aeac6e 100644
--- a/pagetop-admin/src/lib.rs
+++ b/pagetop-admin/src/lib.rs
@@ -1,15 +1,15 @@
 use pagetop::prelude::*;
 
-pub_const_handler!(MODULE_ADMIN);
+pub_handle!(MODULE_ADMIN);
 
-localize!("src/locales");
+pub_locale!("src/locales");
 
 mod summary;
 
 pub struct Admin;
 
 impl ModuleTrait for Admin {
-    fn handler(&self) -> Handler {
+    fn handle(&self) -> Handle {
         MODULE_ADMIN
     }
 
diff --git a/pagetop-node/src/lib.rs b/pagetop-node/src/lib.rs
index ff4755fd..db9c1b44 100644
--- a/pagetop-node/src/lib.rs
+++ b/pagetop-node/src/lib.rs
@@ -1,8 +1,8 @@
 use pagetop::prelude::*;
 
-pub_const_handler!(MODULE_NODE);
+pub_handle!(MODULE_NODE);
 
-localize!("src/locales");
+pub_locale!("src/locales");
 
 //mod entity;
 mod migration;
@@ -10,7 +10,7 @@ mod migration;
 pub struct Node;
 
 impl ModuleTrait for Node {
-    fn handler(&self) -> Handler {
+    fn handle(&self) -> Handle {
         MODULE_NODE
     }
 
diff --git a/pagetop-user/src/lib.rs b/pagetop-user/src/lib.rs
index 22c14c41..6b192af8 100644
--- a/pagetop-user/src/lib.rs
+++ b/pagetop-user/src/lib.rs
@@ -1,15 +1,15 @@
 use pagetop::prelude::*;
 
-pub_const_handler!(MODULE_USER);
+pub_handle!(MODULE_USER);
 
-localize!("src/locales");
+pub_locale!("src/locales");
 
 mod migration;
 
 pub struct User;
 
 impl ModuleTrait for User {
-    fn handler(&self) -> Handler {
+    fn handle(&self) -> Handle {
         MODULE_USER
     }
 
diff --git a/pagetop/src/base/component/anchor.rs b/pagetop/src/base/component/anchor.rs
index 110aa5ff..b91e939e 100644
--- a/pagetop/src/base/component/anchor.rs
+++ b/pagetop/src/base/component/anchor.rs
@@ -1,6 +1,6 @@
 use crate::prelude::*;
 
-pub_const_handler!(COMPONENT_ANCHOR);
+pub_handle!(COMPONENT_ANCHOR);
 
 #[derive(Default)]
 pub enum AnchorType {
@@ -43,7 +43,7 @@ impl ComponentTrait for Anchor {
         Anchor::default()
     }
 
-    fn handler(&self) -> Handler {
+    fn handle(&self) -> Handle {
         COMPONENT_ANCHOR
     }
 
diff --git a/pagetop/src/base/component/block.rs b/pagetop/src/base/component/block.rs
index c1b8a39f..af89daca 100644
--- a/pagetop/src/base/component/block.rs
+++ b/pagetop/src/base/component/block.rs
@@ -1,6 +1,6 @@
 use crate::prelude::*;
 
-pub_const_handler!(COMPONENT_BLOCK);
+pub_handle!(COMPONENT_BLOCK);
 
 hook_before_render_component!(HOOK_BEFORE_RENDER_BLOCK, Block);
 
@@ -21,7 +21,7 @@ impl ComponentTrait for Block {
         Block::default().with_classes(ClassesOp::SetDefault, "block")
     }
 
-    fn handler(&self) -> Handler {
+    fn handle(&self) -> Handle {
         COMPONENT_BLOCK
     }
 
diff --git a/pagetop/src/base/component/container.rs b/pagetop/src/base/component/container.rs
index b3522957..1024e4de 100644
--- a/pagetop/src/base/component/container.rs
+++ b/pagetop/src/base/component/container.rs
@@ -1,6 +1,6 @@
 use crate::prelude::*;
 
-pub_const_handler!(COMPONENT_CONTAINER);
+pub_handle!(COMPONENT_CONTAINER);
 
 hook_before_render_component!(HOOK_BEFORE_RENDER_CONTAINER, Container);
 
@@ -34,7 +34,7 @@ impl ComponentTrait for Container {
             .with_inner_classes(ClassesOp::SetDefault, "container")
     }
 
-    fn handler(&self) -> Handler {
+    fn handle(&self) -> Handle {
         COMPONENT_CONTAINER
     }
 
diff --git a/pagetop/src/base/component/form_element/button.rs b/pagetop/src/base/component/form_element/button.rs
index d99305f9..e20c920e 100644
--- a/pagetop/src/base/component/form_element/button.rs
+++ b/pagetop/src/base/component/form_element/button.rs
@@ -1,6 +1,6 @@
 use crate::prelude::*;
 
-pub_const_handler!(COMPONENT_BUTTON);
+pub_handle!(COMPONENT_BUTTON);
 
 #[derive(Default)]
 pub enum ButtonType {
@@ -31,7 +31,7 @@ impl ComponentTrait for Button {
             .with_classes(ClassesOp::AddFirst, "form-button")
     }
 
-    fn handler(&self) -> Handler {
+    fn handle(&self) -> Handle {
         COMPONENT_BUTTON
     }
 
diff --git a/pagetop/src/base/component/form_element/date.rs b/pagetop/src/base/component/form_element/date.rs
index 0b6fb935..910e989a 100644
--- a/pagetop/src/base/component/form_element/date.rs
+++ b/pagetop/src/base/component/form_element/date.rs
@@ -1,6 +1,6 @@
 use crate::prelude::*;
 
-pub_const_handler!(COMPONENT_DATE);
+pub_handle!(COMPONENT_DATE);
 
 #[rustfmt::skip]
 #[derive(Default)]
@@ -28,7 +28,7 @@ impl ComponentTrait for Date {
             .with_classes(ClassesOp::AddFirst, "form-type-date")
     }
 
-    fn handler(&self) -> Handler {
+    fn handle(&self) -> Handle {
         COMPONENT_DATE
     }
 
diff --git a/pagetop/src/base/component/form_element/form.rs b/pagetop/src/base/component/form_element/form.rs
index 9ff1593e..8f24800e 100644
--- a/pagetop/src/base/component/form_element/form.rs
+++ b/pagetop/src/base/component/form_element/form.rs
@@ -1,6 +1,6 @@
 use crate::prelude::*;
 
-pub_const_handler!(COMPONENT_FORM);
+pub_handle!(COMPONENT_FORM);
 
 hook_before_render_component!(HOOK_BEFORE_RENDER_FORM, Form);
 
@@ -32,7 +32,7 @@ impl ComponentTrait for Form {
             .with_charset("UTF-8")
     }
 
-    fn handler(&self) -> Handler {
+    fn handle(&self) -> Handle {
         COMPONENT_FORM
     }
 
diff --git a/pagetop/src/base/component/form_element/hidden.rs b/pagetop/src/base/component/form_element/hidden.rs
index 0ee11d83..88584cdd 100644
--- a/pagetop/src/base/component/form_element/hidden.rs
+++ b/pagetop/src/base/component/form_element/hidden.rs
@@ -1,6 +1,6 @@
 use crate::prelude::*;
 
-pub_const_handler!(COMPONENT_HIDDEN);
+pub_handle!(COMPONENT_HIDDEN);
 
 #[rustfmt::skip]
 #[derive(Default)]
@@ -15,7 +15,7 @@ impl ComponentTrait for Hidden {
         Hidden::default()
     }
 
-    fn handler(&self) -> Handler {
+    fn handle(&self) -> Handle {
         COMPONENT_HIDDEN
     }
 
diff --git a/pagetop/src/base/component/form_element/input.rs b/pagetop/src/base/component/form_element/input.rs
index 5418e0ed..1109ac3b 100644
--- a/pagetop/src/base/component/form_element/input.rs
+++ b/pagetop/src/base/component/form_element/input.rs
@@ -1,6 +1,6 @@
 use crate::prelude::*;
 
-pub_const_handler!(COMPONENT_INPUT);
+pub_handle!(COMPONENT_INPUT);
 
 #[derive(Default)]
 pub enum InputType {
@@ -45,7 +45,7 @@ impl ComponentTrait for Input {
             .with_maxlength(Some(128))
     }
 
-    fn handler(&self) -> Handler {
+    fn handle(&self) -> Handle {
         COMPONENT_INPUT
     }
 
diff --git a/pagetop/src/base/component/grid/column.rs b/pagetop/src/base/component/grid/column.rs
index 898141f2..bb78e9c4 100644
--- a/pagetop/src/base/component/grid/column.rs
+++ b/pagetop/src/base/component/grid/column.rs
@@ -1,6 +1,6 @@
 use crate::prelude::*;
 
-pub_const_handler!(COMPONENT_COLUMN);
+pub_handle!(COMPONENT_COLUMN);
 
 hook_before_render_component!(HOOK_BEFORE_RENDER_COLUMN, Column);
 
@@ -53,7 +53,7 @@ impl ComponentTrait for Column {
         Column::default().with_classes(ClassesOp::SetDefault, SIZE__DEFAULT)
     }
 
-    fn handler(&self) -> Handler {
+    fn handle(&self) -> Handle {
         COMPONENT_COLUMN
     }
 
diff --git a/pagetop/src/base/component/grid/row.rs b/pagetop/src/base/component/grid/row.rs
index 76919287..bd2ddd94 100644
--- a/pagetop/src/base/component/grid/row.rs
+++ b/pagetop/src/base/component/grid/row.rs
@@ -1,6 +1,6 @@
 use crate::prelude::*;
 
-pub_const_handler!(COMPONENT_ROW);
+pub_handle!(COMPONENT_ROW);
 
 hook_before_render_component!(HOOK_BEFORE_RENDER_ROW, Row);
 
@@ -20,7 +20,7 @@ impl ComponentTrait for Row {
         Row::default().with_classes(ClassesOp::SetDefault, "row")
     }
 
-    fn handler(&self) -> Handler {
+    fn handle(&self) -> Handle {
         COMPONENT_ROW
     }
 
diff --git a/pagetop/src/base/component/heading.rs b/pagetop/src/base/component/heading.rs
index b3c643b6..bf90567d 100644
--- a/pagetop/src/base/component/heading.rs
+++ b/pagetop/src/base/component/heading.rs
@@ -1,6 +1,6 @@
 use crate::prelude::*;
 
-pub_const_handler!(COMPONENT_HEADING);
+pub_handle!(COMPONENT_HEADING);
 
 #[derive(Default)]
 pub enum HeadingType {
@@ -43,7 +43,7 @@ impl ComponentTrait for Heading {
         Heading::default()
     }
 
-    fn handler(&self) -> Handler {
+    fn handle(&self) -> Handle {
         COMPONENT_HEADING
     }
 
diff --git a/pagetop/src/base/component/html.rs b/pagetop/src/base/component/html.rs
index 881ef29c..dfc51289 100644
--- a/pagetop/src/base/component/html.rs
+++ b/pagetop/src/base/component/html.rs
@@ -1,6 +1,6 @@
 use crate::prelude::*;
 
-pub_const_handler!(COMPONENT_HTML);
+pub_handle!(COMPONENT_HTML);
 
 #[rustfmt::skip]
 #[derive(Default)]
@@ -16,7 +16,7 @@ impl ComponentTrait for Html {
         Html::default()
     }
 
-    fn handler(&self) -> Handler {
+    fn handle(&self) -> Handle {
         COMPONENT_HTML
     }
 
diff --git a/pagetop/src/base/component/icon.rs b/pagetop/src/base/component/icon.rs
index 657a4f7f..368fb4cc 100644
--- a/pagetop/src/base/component/icon.rs
+++ b/pagetop/src/base/component/icon.rs
@@ -1,6 +1,6 @@
 use crate::prelude::*;
 
-pub_const_handler!(COMPONENT_ICON);
+pub_handle!(COMPONENT_ICON);
 
 #[rustfmt::skip]
 #[derive(Default)]
@@ -16,7 +16,7 @@ impl ComponentTrait for Icon {
         Icon::default().with_classes(ClassesOp::SetDefault, "bi-question-circle-fill")
     }
 
-    fn handler(&self) -> Handler {
+    fn handle(&self) -> Handle {
         COMPONENT_ICON
     }
 
diff --git a/pagetop/src/base/component/image.rs b/pagetop/src/base/component/image.rs
index b3afe450..cb59442f 100644
--- a/pagetop/src/base/component/image.rs
+++ b/pagetop/src/base/component/image.rs
@@ -1,6 +1,6 @@
 use crate::prelude::*;
 
-pub_const_handler!(COMPONENT_IMAGE);
+pub_handle!(COMPONENT_IMAGE);
 
 #[rustfmt::skip]
 #[derive(Default)]
@@ -18,7 +18,7 @@ impl ComponentTrait for Image {
         Image::default().with_classes(ClassesOp::SetDefault, "img-fluid")
     }
 
-    fn handler(&self) -> Handler {
+    fn handle(&self) -> Handle {
         COMPONENT_IMAGE
     }
 
diff --git a/pagetop/src/base/component/menu.rs b/pagetop/src/base/component/menu.rs
index 2076d3fc..a95ade58 100644
--- a/pagetop/src/base/component/menu.rs
+++ b/pagetop/src/base/component/menu.rs
@@ -1,6 +1,6 @@
 use crate::prelude::*;
 
-pub_const_handler!(COMPONENT_MENUITEM);
+pub_handle!(COMPONENT_MENUITEM);
 
 #[derive(Default)]
 pub enum MenuItemType {
@@ -29,7 +29,7 @@ impl ComponentTrait for MenuItem {
         MenuItem::default()
     }
 
-    fn handler(&self) -> Handler {
+    fn handle(&self) -> Handle {
         COMPONENT_MENUITEM
     }
 
@@ -170,7 +170,7 @@ impl MenuItem {
 
 // Menu.
 
-pub_const_handler!(COMPONENT_MENU);
+pub_handle!(COMPONENT_MENU);
 
 hook_before_render_component!(HOOK_BEFORE_RENDER_MENU, Menu);
 
@@ -190,7 +190,7 @@ impl ComponentTrait for Menu {
         Menu::default().with_classes(ClassesOp::SetDefault, "sm sm-clean")
     }
 
-    fn handler(&self) -> Handler {
+    fn handle(&self) -> Handle {
         COMPONENT_MENU
     }
 
diff --git a/pagetop/src/base/component/paragraph.rs b/pagetop/src/base/component/paragraph.rs
index 52cb5c5d..fa60c233 100644
--- a/pagetop/src/base/component/paragraph.rs
+++ b/pagetop/src/base/component/paragraph.rs
@@ -1,6 +1,6 @@
 use crate::prelude::*;
 
-pub_const_handler!(COMPONENT_PARAGRAPH);
+pub_handle!(COMPONENT_PARAGRAPH);
 
 #[derive(Default)]
 pub enum ParagraphDisplay {
@@ -30,7 +30,7 @@ impl ComponentTrait for Paragraph {
         Paragraph::default()
     }
 
-    fn handler(&self) -> Handler {
+    fn handle(&self) -> Handle {
         COMPONENT_PARAGRAPH
     }
 
diff --git a/pagetop/src/base/module/homepage.rs b/pagetop/src/base/module/homepage.rs
index d48a0975..dee2e7b3 100644
--- a/pagetop/src/base/module/homepage.rs
+++ b/pagetop/src/base/module/homepage.rs
@@ -1,13 +1,13 @@
 use crate::prelude::*;
 
-pub_const_handler!(MODULE_DEFAULT_HOMEPAGE);
+pub_handle!(MODULE_DEFAULT_HOMEPAGE);
 
-localize!("src/base/module/homepage/locales");
+pub_locale!("src/base/module/homepage/locales");
 
 pub struct DefaultHomePage;
 
 impl ModuleTrait for DefaultHomePage {
-    fn handler(&self) -> Handler {
+    fn handle(&self) -> Handle {
         MODULE_DEFAULT_HOMEPAGE
     }
 
diff --git a/pagetop/src/base/theme/aliner.rs b/pagetop/src/base/theme/aliner.rs
index 4afa2292..23c9c65c 100644
--- a/pagetop/src/base/theme/aliner.rs
+++ b/pagetop/src/base/theme/aliner.rs
@@ -1,13 +1,13 @@
 use crate::prelude::*;
 
-pub_const_handler!(THEME_ALINER);
+pub_handle!(THEME_ALINER);
 
 include!(concat!(env!("OUT_DIR"), "/aliner.rs"));
 
 pub struct Aliner;
 
 impl ThemeTrait for Aliner {
-    fn handler(&self) -> Handler {
+    fn handle(&self) -> Handle {
         THEME_ALINER
     }
 
diff --git a/pagetop/src/base/theme/bootsier.rs b/pagetop/src/base/theme/bootsier.rs
index cc93fe11..04327b8f 100644
--- a/pagetop/src/base/theme/bootsier.rs
+++ b/pagetop/src/base/theme/bootsier.rs
@@ -1,15 +1,15 @@
 use crate::prelude::*;
 
-pub_const_handler!(THEME_BOOTSIER);
+pub_handle!(THEME_BOOTSIER);
+
+pub_locale!("src/base/theme/bootsier/locales");
 
 include!(concat!(env!("OUT_DIR"), "/bootsier.rs"));
 
-localize!("src/base/theme/bootsier/locales");
-
 pub struct Bootsier;
 
 impl ThemeTrait for Bootsier {
-    fn handler(&self) -> Handler {
+    fn handle(&self) -> Handle {
         THEME_BOOTSIER
     }
 
diff --git a/pagetop/src/base/theme/bulmix.rs b/pagetop/src/base/theme/bulmix.rs
index a7ba960a..acac7d12 100644
--- a/pagetop/src/base/theme/bulmix.rs
+++ b/pagetop/src/base/theme/bulmix.rs
@@ -1,13 +1,13 @@
 use crate::prelude::*;
 
-pub_const_handler!(THEME_BULMIX);
+pub_handle!(THEME_BULMIX);
 
 include!(concat!(env!("OUT_DIR"), "/bulmix.rs"));
 
 pub struct Bulmix;
 
 impl ThemeTrait for Bulmix {
-    fn handler(&self) -> Handler {
+    fn handle(&self) -> Handle {
         THEME_BULMIX
     }
 
@@ -33,7 +33,7 @@ impl ThemeTrait for Bulmix {
         component: &mut dyn ComponentTrait,
         _context: &mut PageContext,
     ) {
-        match component.handler() {
+        match component.handle() {
             COMPONENT_ANCHOR => {
                 let a = component_mut::<Anchor>(component);
                 a.alter_classes(
@@ -112,7 +112,7 @@ impl ThemeTrait for Bulmix {
         component: &dyn ComponentTrait,
         _context: &mut PageContext,
     ) -> Option<Markup> {
-        match component.handler() {
+        match component.handle() {
             COMPONENT_ICON => {
                 let icon = component_ref::<Icon>(component);
                 Some(html! {
diff --git a/pagetop/src/base/theme/minimal.rs b/pagetop/src/base/theme/minimal.rs
index 63c90976..fab264f1 100644
--- a/pagetop/src/base/theme/minimal.rs
+++ b/pagetop/src/base/theme/minimal.rs
@@ -1,11 +1,11 @@
 use crate::prelude::*;
 
-pub_const_handler!(THEME_MINIMAL);
+pub_handle!(THEME_MINIMAL);
 
 pub struct Minimal;
 
 impl ThemeTrait for Minimal {
-    fn handler(&self) -> Handler {
+    fn handle(&self) -> Handle {
         THEME_MINIMAL
     }
 }
diff --git a/pagetop/src/core/component/definition.rs b/pagetop/src/core/component/definition.rs
index 6786ca9b..2b61cc3d 100644
--- a/pagetop/src/core/component/definition.rs
+++ b/pagetop/src/core/component/definition.rs
@@ -1,6 +1,6 @@
 use crate::html::{html, Markup};
 use crate::response::page::PageContext;
-use crate::util::{single_type_name, Handler};
+use crate::util::{single_type_name, Handle};
 
 pub use std::any::Any as AnyComponent;
 
@@ -13,7 +13,7 @@ pub trait ComponentTrait: AnyComponent + BaseComponent + Send + Sync {
     where
         Self: Sized;
 
-    fn handler(&self) -> Handler;
+    fn handle(&self) -> Handle;
 
     fn name(&self) -> String {
         single_type_name::<Self>().to_owned()
@@ -75,7 +75,7 @@ pub fn component_mut<C: 'static>(component: &mut dyn ComponentTrait) -> &mut C {
 macro_rules! hook_before_render_component {
     ( $ACTION_HANDLER:ident, $Component:ty ) => {
         paste::paste! {
-            $crate::pub_const_handler!($ACTION_HANDLER);
+            $crate::pub_handle!($ACTION_HANDLER);
 
             type Action = fn(&$Component, &mut PageContext);
 
@@ -92,7 +92,7 @@ macro_rules! hook_before_render_component {
                     }
                 }
 
-                fn handler(&self) -> Handler {
+                fn handle(&self) -> Handle {
                     $ACTION_HANDLER
                 }
 
diff --git a/pagetop/src/core/hook/all.rs b/pagetop/src/core/hook/all.rs
index a5eeb5a7..a48399fd 100644
--- a/pagetop/src/core/hook/all.rs
+++ b/pagetop/src/core/hook/all.rs
@@ -1,29 +1,29 @@
 use super::{ActionsHolder, HookAction};
-use crate::util::Handler;
+use crate::util::Handle;
 use crate::LazyStatic;
 
 use std::collections::HashMap;
 use std::sync::RwLock;
 
 // Registered actions.
-static ACTIONS: LazyStatic<RwLock<HashMap<Handler, ActionsHolder>>> =
+static ACTIONS: LazyStatic<RwLock<HashMap<Handle, ActionsHolder>>> =
     LazyStatic::new(|| RwLock::new(HashMap::new()));
 
 pub fn add_action(action: HookAction) {
     let mut actions = ACTIONS.write().unwrap();
-    let action_handler = action.handler();
-    if let Some(holder) = actions.get_mut(&action_handler) {
+    let action_handle = action.handle();
+    if let Some(holder) = actions.get_mut(&action_handle) {
         holder.add(action);
     } else {
-        actions.insert(action_handler, ActionsHolder::new_with(action));
+        actions.insert(action_handle, ActionsHolder::new_with(action));
     }
 }
 
-pub fn run_actions<B, F>(action_handler: Handler, f: F)
+pub fn run_actions<B, F>(action_handle: Handle, f: F)
 where
     F: FnMut(&HookAction) -> B,
 {
-    if let Some(holder) = ACTIONS.read().unwrap().get(&action_handler) {
+    if let Some(holder) = ACTIONS.read().unwrap().get(&action_handle) {
         holder.iter_map(f)
     }
 }
diff --git a/pagetop/src/core/hook/definition.rs b/pagetop/src/core/hook/definition.rs
index 5808b6c9..6feb0f76 100644
--- a/pagetop/src/core/hook/definition.rs
+++ b/pagetop/src/core/hook/definition.rs
@@ -1,4 +1,4 @@
-use crate::util::Handler;
+use crate::util::Handle;
 
 pub use std::any::Any as AnyHookAction;
 
@@ -7,7 +7,7 @@ pub trait HookActionTrait: AnyHookAction + Send + Sync {
     where
         Self: Sized;
 
-    fn handler(&self) -> Handler;
+    fn handle(&self) -> Handle;
 
     fn weight(&self) -> isize {
         0
diff --git a/pagetop/src/core/module/all.rs b/pagetop/src/core/module/all.rs
index 3fa88947..2bbc21e2 100644
--- a/pagetop/src/core/module/all.rs
+++ b/pagetop/src/core/module/all.rs
@@ -31,7 +31,7 @@ pub fn register_modules(app: ModuleStaticRef) {
 
 fn add_to_discarded(list: &mut Vec<ModuleStaticRef>, module: ModuleStaticRef) {
     for u in module.uninstall_modules().iter() {
-        if !list.iter().any(|m| m.handler() == u.handler()) {
+        if !list.iter().any(|m| m.handle() == u.handle()) {
             list.push(*u);
             trace::debug!("Module \"{}\" discarded", u.single_name());
         }
@@ -42,12 +42,12 @@ fn add_to_discarded(list: &mut Vec<ModuleStaticRef>, module: ModuleStaticRef) {
 }
 
 fn add_to_enabled(list: &mut Vec<ModuleStaticRef>, module: ModuleStaticRef) {
-    if !list.iter().any(|m| m.handler() == module.handler()) {
+    if !list.iter().any(|m| m.handle() == module.handle()) {
         if DISCARDED_MODULES
             .read()
             .unwrap()
             .iter()
-            .any(|m| m.handler() == module.handler())
+            .any(|m| m.handle() == module.handle())
         {
             panic!(
                 "Trying to enable \"{}\" module which is disabled",
diff --git a/pagetop/src/core/module/definition.rs b/pagetop/src/core/module/definition.rs
index b15d1f26..ce425622 100644
--- a/pagetop/src/core/module/definition.rs
+++ b/pagetop/src/core/module/definition.rs
@@ -1,7 +1,7 @@
 use crate::app;
 use crate::core::hook::HookAction;
 use crate::core::theme::ThemeStaticRef;
-use crate::util::{single_type_name, Handler};
+use crate::util::{single_type_name, Handle};
 
 #[cfg(feature = "database")]
 use crate::db::MigrationItem;
@@ -14,7 +14,7 @@ pub trait BaseModule {
 
 /// Los módulos deben implementar este *trait*.
 pub trait ModuleTrait: BaseModule + Send + Sync {
-    fn handler(&self) -> Handler;
+    fn handle(&self) -> Handle;
 
     fn name(&self) -> String {
         self.single_name().to_owned()
diff --git a/pagetop/src/core/theme/all.rs b/pagetop/src/core/theme/all.rs
index 64ae5b2b..17e9bbe1 100644
--- a/pagetop/src/core/theme/all.rs
+++ b/pagetop/src/core/theme/all.rs
@@ -20,7 +20,7 @@ pub fn register_themes(themes: Vec<ThemeStaticRef>) {
     for theme in themes {
         if !registered_themes
             .iter()
-            .any(|t| t.handler() == theme.handler())
+            .any(|t| t.handle() == theme.handle())
         {
             trace::debug!("Registering theme \"{}\"", theme.single_name());
             registered_themes.push(theme);
diff --git a/pagetop/src/core/theme/definition.rs b/pagetop/src/core/theme/definition.rs
index f33be422..112bab37 100644
--- a/pagetop/src/core/theme/definition.rs
+++ b/pagetop/src/core/theme/definition.rs
@@ -5,7 +5,7 @@ use crate::concat_string;
 use crate::core::component::ComponentTrait;
 use crate::html::{html, Favicon, Markup};
 use crate::response::page::{Page, PageContext, PageOp};
-use crate::util::{single_type_name, Handler};
+use crate::util::{single_type_name, Handle};
 
 pub type ThemeStaticRef = &'static dyn ThemeTrait;
 
@@ -15,7 +15,7 @@ pub trait BaseTheme {
 
 /// Los temas deben implementar este "trait".
 pub trait ThemeTrait: BaseTheme + Send + Sync {
-    fn handler(&self) -> Handler;
+    fn handle(&self) -> Handle;
 
     fn name(&self) -> String {
         self.single_name().to_owned()
@@ -91,7 +91,7 @@ pub trait ThemeTrait: BaseTheme + Send + Sync {
         /*
             Cómo usarlo:
 
-            match component.handler() {
+            match component.handle() {
                 BLOCK_COMPONENT => {
                     let block = component_mut::<Block>(component);
                     block.alter_title("New title");
@@ -111,7 +111,7 @@ pub trait ThemeTrait: BaseTheme + Send + Sync {
         /*
             Cómo usarlo:
 
-            match component.handler() {
+            match component.handle() {
                 BLOCK_COMPONENT => {
                     let block = component_ref::<Block>(component);
                     match block.template() {
diff --git a/pagetop/src/locale.rs b/pagetop/src/locale.rs
index 664ad870..5b8b53da 100644
--- a/pagetop/src/locale.rs
+++ b/pagetop/src/locale.rs
@@ -69,16 +69,16 @@
 //! # Cómo aplicar la localización en tu código
 //!
 //! Una vez hayas creado tu directorio de recursos FTL, sólo tienes que usar la poderosa macro
-//! [`localize!`](crate::localize) para integrar fácilmente tus recursos de localización.
+//! [`pub_locale!`](crate::pub_locale) para integrar fácilmente tus recursos de localización.
 //!
 //! Esta macro crea dos funciones para el ámbito donde se ejecuta. Por un lado la función `l()` para
 //! traducciones directas de etiquetas. Y por otro la función `t()` para traducciones que requieren
 //! argumentos:
 //!
 //! ```
-//! use pagetop::{args, localize};
+//! use pagetop::{args, pub_locale};
 //!
-//! localize!("en-US");
+//! pub_locale!("en-US");
 //!
 //! fn demo() {
 //!     println!("* {}", l("hello-world"));
@@ -100,7 +100,7 @@ pub use fluent_templates::{static_loader as static_locale, Loader as Locale};
 
 #[macro_export]
 /// Permite integrar fácilmente localización en temas, módulos y componentes.
-macro_rules! localize {
+macro_rules! pub_locale {
     ( $dir_locales:literal $(, $core_locales:literal)? ) => {
         use $crate::locale::*;
         use $crate::app::locale::LANGID;
diff --git a/pagetop/src/prelude.rs b/pagetop/src/prelude.rs
index 241f1e82..ab2d1df4 100644
--- a/pagetop/src/prelude.rs
+++ b/pagetop/src/prelude.rs
@@ -2,11 +2,13 @@
 pub use crate::{concat_string, LazyStatic};
 
 // Macros.
-pub use crate::{args, configure_service_for_static_files, predefined_settings, pub_const_handler};
+pub use crate::{
+    args, configure_service_for_static_files, predefined_settings, pub_handle, pub_locale,
+};
 
 // Helpers.
 pub use crate::util;
-pub use crate::util::{Handler, HashMapResources};
+pub use crate::util::{Handle, HashMapResources};
 
 // *************************************************************************************************
 
@@ -14,8 +16,6 @@ pub use crate::config;
 
 pub use crate::trace;
 
-pub use crate::localize;
-
 pub use crate::html::*;
 
 #[cfg(feature = "database")]
diff --git a/pagetop/src/response/page/hook.rs b/pagetop/src/response/page/hook.rs
index 09363f35..0c01f27d 100644
--- a/pagetop/src/response/page/hook.rs
+++ b/pagetop/src/response/page/hook.rs
@@ -1,9 +1,9 @@
 use super::Page;
 use crate::core::hook::{AnyHookAction, HookActionTrait};
-use crate::pub_const_handler;
-use crate::util::Handler;
+use crate::pub_handle;
+use crate::util::Handle;
 
-pub_const_handler!(HOOK_BEFORE_RENDER_PAGE);
+pub_handle!(HOOK_BEFORE_RENDER_PAGE);
 
 type Hook = fn(&mut Page);
 
@@ -20,7 +20,7 @@ impl HookActionTrait for BeforeRenderPageHook {
         }
     }
 
-    fn handler(&self) -> Handler {
+    fn handle(&self) -> Handle {
         HOOK_BEFORE_RENDER_PAGE
     }
 
diff --git a/pagetop/src/util.rs b/pagetop/src/util.rs
index 5caa741b..91d9c07d 100644
--- a/pagetop/src/util.rs
+++ b/pagetop/src/util.rs
@@ -87,15 +87,15 @@ pub fn bundle_resources(
     bundle.build()
 }
 
-pub type Handler = u64;
+pub type Handle = u64;
 
 // https://stackoverflow.com/a/71464396
-pub const fn handler(
+pub const fn handle(
     module_path: &'static str,
     file: &'static str,
     line: u32,
     column: u32,
-) -> Handler {
+) -> Handle {
     let mut hash = 0xcbf29ce484222325;
     let prime = 0x00000100000001B3;
 
@@ -124,10 +124,10 @@ pub const fn handler(
 }
 
 #[macro_export]
-macro_rules! pub_const_handler {
-    ( $HANDLER:ident ) => {
-        pub const $HANDLER: $crate::util::Handler =
-            $crate::util::handler(module_path!(), file!(), line!(), column!());
+macro_rules! pub_handle {
+    ( $HANDLE:ident ) => {
+        pub const $HANDLE: $crate::util::Handle =
+            $crate::util::handle(module_path!(), file!(), line!(), column!());
     };
 }