diff --git a/pagetop-minimal/src/component/block.rs b/pagetop-minimal/src/component/block.rs
index 823bf2b3..7d19f588 100644
--- a/pagetop-minimal/src/component/block.rs
+++ b/pagetop-minimal/src/component/block.rs
@@ -12,7 +12,7 @@ pub struct Block {
     id        : IdentifierValue,
     classes   : Classes,
     title     : AttributeValue,
-    content   : PackComponents,
+    stuff     : PackComponents,
     template  : String,
 }
 
@@ -94,12 +94,17 @@ impl Block {
     }
 
     pub fn with_component(mut self, component: impl ComponentTrait) -> Self {
-        self.content.alter(PackOp::Add, ComponentRef::to(component));
+        self.stuff.alter(PackOp::Add, ComponentArc::new(component));
+        self
+    }
+
+    pub fn with_component_arc(mut self, arc: ComponentArc) -> Self {
+        self.stuff.alter(PackOp::Add, arc);
         self
     }
 
     pub fn alter_components(&mut self, op: PackOp, component: impl ComponentTrait) -> &mut Self {
-        self.content.alter(op, ComponentRef::to(component));
+        self.stuff.alter(op, ComponentArc::new(component));
         self
     }
 
@@ -120,7 +125,7 @@ impl Block {
     }
 
     pub fn components(&self) -> &PackComponents {
-        &self.content
+        &self.stuff
     }
 
     pub fn template(&self) -> &str {
diff --git a/pagetop-minimal/src/component/form_element/form.rs b/pagetop-minimal/src/component/form_element/form.rs
index d3e2f2fb..358e162d 100644
--- a/pagetop-minimal/src/component/form_element/form.rs
+++ b/pagetop-minimal/src/component/form_element/form.rs
@@ -121,12 +121,17 @@ impl Form {
     }
 
     pub fn with_element(mut self, element: impl ComponentTrait) -> Self {
-        self.elements.alter(PackOp::Add, ComponentRef::to(element));
+        self.elements.alter(PackOp::Add, ComponentArc::new(element));
+        self
+    }
+
+    pub fn with_element_arc(mut self, arc: ComponentArc) -> Self {
+        self.elements.alter(PackOp::Add, arc);
         self
     }
 
     pub fn alter_elements(&mut self, op: PackOp, element: impl ComponentTrait) -> &mut Self {
-        self.elements.alter(op, ComponentRef::to(element));
+        self.elements.alter(op, ComponentArc::new(element));
         self
     }
 
diff --git a/pagetop-minimal/src/component/grid/column.rs b/pagetop-minimal/src/component/grid/column.rs
index 151aa517..044260f1 100644
--- a/pagetop-minimal/src/component/grid/column.rs
+++ b/pagetop-minimal/src/component/grid/column.rs
@@ -44,7 +44,7 @@ pub struct Column {
     id        : IdentifierValue,
     classes   : Classes,
     size      : ColumnSize,
-    content   : PackComponents,
+    stuff     : PackComponents,
     template  : String,
 }
 
@@ -136,12 +136,17 @@ impl Column {
     }
 
     pub fn with_component(mut self, component: impl ComponentTrait) -> Self {
-        self.content.alter(PackOp::Add, ComponentRef::to(component));
+        self.stuff.alter(PackOp::Add, ComponentArc::new(component));
+        self
+    }
+
+    pub fn with_component_arc(mut self, arc: ComponentArc) -> Self {
+        self.stuff.alter(PackOp::Add, arc);
         self
     }
 
     pub fn alter_components(&mut self, op: PackOp, component: impl ComponentTrait) -> &mut Self {
-        self.content.alter(op, ComponentRef::to(component));
+        self.stuff.alter(op, ComponentArc::new(component));
         self
     }
 
@@ -162,7 +167,7 @@ impl Column {
     }
 
     pub fn components(&self) -> &PackComponents {
-        &self.content
+        &self.stuff
     }
 
     pub fn template(&self) -> &str {
diff --git a/pagetop-minimal/src/component/grid/row.rs b/pagetop-minimal/src/component/grid/row.rs
index 91450629..923910dc 100644
--- a/pagetop-minimal/src/component/grid/row.rs
+++ b/pagetop-minimal/src/component/grid/row.rs
@@ -83,12 +83,12 @@ impl Row {
     }
 
     pub fn with_column(mut self, column: grid::Column) -> Self {
-        self.columns.alter(PackOp::Add, ComponentRef::to(column));
+        self.columns.alter(PackOp::Add, ComponentArc::new(column));
         self
     }
 
     pub fn alter_columns(&mut self, op: PackOp, column: grid::Column) -> &mut Self {
-        self.columns.alter(op, ComponentRef::to(column));
+        self.columns.alter(op, ComponentArc::new(column));
         self
     }
 
diff --git a/pagetop-minimal/src/component/paragraph.rs b/pagetop-minimal/src/component/paragraph.rs
index 09e85ddb..c6b3e508 100644
--- a/pagetop-minimal/src/component/paragraph.rs
+++ b/pagetop-minimal/src/component/paragraph.rs
@@ -20,7 +20,7 @@ pub struct Paragraph {
     renderable: Renderable,
     id        : IdentifierValue,
     classes   : Classes,
-    content   : PackComponents,
+    stuff     : PackComponents,
     display   : ParagraphDisplay,
     template  : String,
 }
@@ -90,12 +90,17 @@ impl Paragraph {
     }
 
     pub fn with_component(mut self, component: impl ComponentTrait) -> Self {
-        self.content.alter(PackOp::Add, ComponentRef::to(component));
+        self.stuff.alter(PackOp::Add, ComponentArc::new(component));
+        self
+    }
+
+    pub fn with_component_arc(mut self, arc: ComponentArc) -> Self {
+        self.stuff.alter(PackOp::Add, arc);
         self
     }
 
     pub fn alter_components(&mut self, op: PackOp, component: impl ComponentTrait) -> &mut Self {
-        self.content.alter(op, ComponentRef::to(component));
+        self.stuff.alter(op, ComponentArc::new(component));
         self
     }
 
@@ -130,7 +135,7 @@ impl Paragraph {
     }
 
     pub fn components(&self) -> &PackComponents {
-        &self.content
+        &self.stuff
     }
 
     pub fn display(&self) -> &ParagraphDisplay {
diff --git a/pagetop/src/core/component.rs b/pagetop/src/core/component.rs
index a4573f1d..32d742c3 100644
--- a/pagetop/src/core/component.rs
+++ b/pagetop/src/core/component.rs
@@ -1,18 +1,21 @@
 mod context;
 pub use context::{Context, ContextOp};
-pub type ContextualPath = fn(cx: &Context) -> &str;
+pub type FnContextualPath = fn(cx: &Context) -> &str;
 
 mod definition;
 pub use definition::{component_mut, component_ref, ComponentBase, ComponentTrait};
 
+mod arc;
+pub use arc::ComponentArc;
+
 mod one;
 pub use one::OneComponent;
 
 mod pack;
-pub use pack::{ComponentRef, PackComponents, PackOp};
+pub use pack::{PackComponents, PackOp};
 
 mod renderable;
-pub use renderable::{IsRenderable, Renderable};
+pub use renderable::{FnIsRenderable, Renderable};
 
 pub mod html;
 pub mod l10n;
@@ -23,7 +26,7 @@ macro_rules! actions_for_component {
         $crate::paste! {
             use $crate::prelude::*;
 
-            pub type [<Action $Component>] = fn(component: &$Component, cx: &mut Context);
+            pub type [<FnAction $Component>] = fn(component: &$Component, cx: &mut Context);
 
             // *************************************************************************************
             // ACTION BEFORE PREPARE COMPONENT
@@ -32,7 +35,7 @@ macro_rules! actions_for_component {
             $crate::new_handle!([<ACTION_BEFORE_PREPARE_ $Component:upper>] for Action);
 
             pub struct [<BeforePrepare $Component>] {
-                action: Option<[<Action $Component>]>,
+                action: Option<[<FnAction $Component>]>,
                 weight: Weight,
             }
 
@@ -55,7 +58,7 @@ macro_rules! actions_for_component {
 
             impl [<BeforePrepare $Component>] {
                 #[allow(dead_code)]
-                pub fn with_action(mut self, action: [<Action $Component>]) -> Self {
+                pub fn with_action(mut self, action: [<FnAction $Component>]) -> Self {
                     self.action = Some(action);
                     self
                 }
@@ -91,7 +94,7 @@ macro_rules! actions_for_component {
             $crate::new_handle!([<ACTION_AFTER_PREPARE_ $Component:upper>] for Action);
 
             pub struct [<AfterPrepare $Component>] {
-                action: Option<[<Action $Component>]>,
+                action: Option<[<FnAction $Component>]>,
                 weight: Weight,
             }
 
@@ -114,7 +117,7 @@ macro_rules! actions_for_component {
 
             impl [<AfterPrepare $Component>] {
                 #[allow(dead_code)]
-                pub fn with_action(mut self, action: [<Action $Component>]) -> Self {
+                pub fn with_action(mut self, action: [<FnAction $Component>]) -> Self {
                     self.action = Some(action);
                     self
                 }
diff --git a/pagetop/src/core/component/arc.rs b/pagetop/src/core/component/arc.rs
new file mode 100644
index 00000000..93e1193c
--- /dev/null
+++ b/pagetop/src/core/component/arc.rs
@@ -0,0 +1,30 @@
+use crate::core::component::{ComponentTrait, Context};
+use crate::html::Markup;
+use crate::{Handle, Weight};
+
+use std::sync::{Arc, RwLock};
+
+#[derive(Clone)]
+pub struct ComponentArc(Arc<RwLock<dyn ComponentTrait>>);
+
+impl ComponentArc {
+    pub fn new(component: impl ComponentTrait) -> Self {
+        ComponentArc(Arc::new(RwLock::new(component)))
+    }
+
+    pub(crate) fn handle(&self) -> Handle {
+        self.0.read().unwrap().handle()
+    }
+
+    pub(crate) fn id(&self) -> Option<String> {
+        self.0.read().unwrap().id()
+    }
+
+    pub(crate) fn weight(&self) -> Weight {
+        self.0.read().unwrap().weight()
+    }
+
+    pub(crate) fn prepare(&self, cx: &mut Context) -> Markup {
+        self.0.write().unwrap().prepare(cx)
+    }
+}
diff --git a/pagetop/src/core/component/pack.rs b/pagetop/src/core/component/pack.rs
index 0e95dd2c..e55799c9 100644
--- a/pagetop/src/core/component/pack.rs
+++ b/pagetop/src/core/component/pack.rs
@@ -1,33 +1,6 @@
-use crate::core::component::{ComponentTrait, Context};
+use crate::core::component::{ComponentArc, Context};
 use crate::html::{html, Markup};
-use crate::{Handle, Weight};
-
-use std::sync::{Arc, RwLock};
-
-#[derive(Clone)]
-pub struct ComponentRef(Arc<RwLock<dyn ComponentTrait>>);
-
-impl ComponentRef {
-    pub fn to(component: impl ComponentTrait) -> Self {
-        ComponentRef(Arc::new(RwLock::new(component)))
-    }
-
-    fn handle(&self) -> Handle {
-        self.0.read().unwrap().handle()
-    }
-
-    fn id(&self) -> Option<String> {
-        self.0.read().unwrap().id()
-    }
-
-    fn weight(&self) -> Weight {
-        self.0.read().unwrap().weight()
-    }
-
-    fn prepare(&self, cx: &mut Context) -> Markup {
-        self.0.write().unwrap().prepare(cx)
-    }
-}
+use crate::Handle;
 
 pub enum PackOp {
     Add,
@@ -40,16 +13,16 @@ pub enum PackOp {
 }
 
 #[derive(Clone, Default)]
-pub struct PackComponents(Vec<ComponentRef>);
+pub struct PackComponents(Vec<ComponentArc>);
 
 impl PackComponents {
     pub fn new() -> Self {
         PackComponents::default()
     }
 
-    pub fn with(cref: ComponentRef) -> Self {
+    pub fn with(arc: ComponentArc) -> Self {
         let mut pack = PackComponents::new();
-        pack.alter(PackOp::Add, cref);
+        pack.alter(PackOp::Add, arc);
         pack
     }
 
@@ -63,22 +36,22 @@ impl PackComponents {
 
     // PackComponents BUILDER.
 
-    pub fn alter(&mut self, op: PackOp, cref: ComponentRef) -> &mut Self {
+    pub fn alter(&mut self, op: PackOp, arc: ComponentArc) -> &mut Self {
         match op {
-            PackOp::Add => self.0.push(cref),
+            PackOp::Add => self.0.push(arc),
             PackOp::AddAfterId(id) => {
                 match self.0.iter().position(|c| c.id().as_deref() == Some(id)) {
-                    Some(index) => self.0.insert(index + 1, cref),
-                    _ => self.0.push(cref),
+                    Some(index) => self.0.insert(index + 1, arc),
+                    _ => self.0.push(arc),
                 }
             }
             PackOp::AddBeforeId(id) => {
                 match self.0.iter().position(|c| c.id().as_deref() == Some(id)) {
-                    Some(index) => self.0.insert(index, cref),
-                    _ => self.0.insert(0, cref),
+                    Some(index) => self.0.insert(index, arc),
+                    _ => self.0.insert(0, arc),
                 }
             }
-            PackOp::AddFirst => self.0.insert(0, cref),
+            PackOp::AddFirst => self.0.insert(0, arc),
             PackOp::RemoveById(id) => {
                 if let Some(index) = self.0.iter().position(|c| c.id().as_deref() == Some(id)) {
                     self.0.remove(index);
@@ -87,7 +60,7 @@ impl PackComponents {
             PackOp::ReplaceById(id) => {
                 for c in self.0.iter_mut() {
                     if c.id().as_deref() == Some(id) {
-                        *c = cref;
+                        *c = arc;
                         break;
                     }
                 }
@@ -99,15 +72,15 @@ impl PackComponents {
 
     // PackComponents GETTERS.
 
-    pub fn get_by_id(&self, id: &'static str) -> Option<&ComponentRef> {
+    pub fn get_by_id(&self, id: &'static str) -> Option<&ComponentArc> {
         self.0.iter().find(|&c| c.id().as_deref() == Some(id))
     }
 
-    pub fn iter_by_id(&self, id: &'static str) -> impl Iterator<Item = &ComponentRef> {
+    pub fn iter_by_id(&self, id: &'static str) -> impl Iterator<Item = &ComponentArc> {
         self.0.iter().filter(|&c| c.id().as_deref() == Some(id))
     }
 
-    pub fn iter_by_handle(&self, handle: Handle) -> impl Iterator<Item = &ComponentRef> {
+    pub fn iter_by_handle(&self, handle: Handle) -> impl Iterator<Item = &ComponentArc> {
         self.0.iter().filter(move |&c| c.handle() == handle)
     }
 
diff --git a/pagetop/src/core/theme/regions.rs b/pagetop/src/core/theme/regions.rs
index 0e1d7460..20aa99bd 100644
--- a/pagetop/src/core/theme/regions.rs
+++ b/pagetop/src/core/theme/regions.rs
@@ -1,4 +1,4 @@
-use crate::core::component::{ComponentRef, PackComponents, PackOp};
+use crate::core::component::{ComponentArc, PackComponents, PackOp};
 use crate::core::theme::ThemeRef;
 use crate::{Handle, LazyStatic};
 
@@ -19,17 +19,17 @@ impl ComponentsRegions {
         ComponentsRegions::default()
     }
 
-    pub fn with(region: &'static str, cref: ComponentRef) -> Self {
+    pub fn with(region: &'static str, arc: ComponentArc) -> Self {
         let mut regions = ComponentsRegions::new();
-        regions.add_in(region, cref);
+        regions.add_in(region, arc);
         regions
     }
 
-    pub fn add_in(&mut self, region: &'static str, cref: ComponentRef) {
+    pub fn add_in(&mut self, region: &'static str, arc: ComponentArc) {
         if let Some(region) = self.0.get_mut(region) {
-            region.alter(PackOp::Add, cref);
+            region.alter(PackOp::Add, arc);
         } else {
-            self.0.insert(region, PackComponents::with(cref));
+            self.0.insert(region, PackComponents::with(arc));
         }
     }
 
@@ -48,17 +48,17 @@ pub enum Region {
     OfTheme(ThemeRef, &'static str),
 }
 
-pub fn add_component_in(region: Region, cref: ComponentRef) {
+pub fn add_component_in(region: Region, arc: ComponentArc) {
     match region {
         Region::Named(name) => {
-            COMMON_REGIONS.write().unwrap().add_in(name, cref);
+            COMMON_REGIONS.write().unwrap().add_in(name, arc);
         }
         Region::OfTheme(theme, region) => {
             let mut regions = THEME_REGIONS.write().unwrap();
             if let Some(hm) = regions.get_mut(&theme.handle()) {
-                hm.add_in(region, cref);
+                hm.add_in(region, arc);
             } else {
-                regions.insert(theme.handle(), ComponentsRegions::with(region, cref));
+                regions.insert(theme.handle(), ComponentsRegions::with(region, arc));
             }
         }
     }
diff --git a/pagetop/src/response/page.rs b/pagetop/src/response/page.rs
index c2d9434c..86199984 100644
--- a/pagetop/src/response/page.rs
+++ b/pagetop/src/response/page.rs
@@ -2,7 +2,7 @@ mod action;
 pub use action::*;
 
 use crate::core::component::l10n::L10n;
-use crate::core::component::{ComponentRef, ComponentTrait, Context, ContextOp, OneComponent};
+use crate::core::component::{ComponentArc, ComponentTrait, Context, ContextOp, OneComponent};
 use crate::core::theme::ComponentsRegions;
 use crate::html::{html, Classes, ClassesOp, Favicon, Markup, DOCTYPE};
 use crate::response::fatal_error::FatalError;
@@ -90,7 +90,7 @@ impl Page {
 
     #[fn_builder]
     pub fn alter_in(&mut self, region: &'static str, component: impl ComponentTrait) -> &mut Self {
-        self.regions.add_in(region, ComponentRef::to(component));
+        self.regions.add_in(region, ComponentArc::new(component));
         self
     }