diff --git a/README.md b/README.md
index 4c88363f..37d9d873 100644
--- a/README.md
+++ b/README.md
@@ -48,7 +48,7 @@ Guide and protocol draft
     * implementable `struct` is public, where it members - private
   * contain main `struct` implementation:
     * at least one constructor that must:
-      * have common for application name: `new`
+      * have common for application name: `new` or/and `new_arc`, `new_mutex`, etc - on return object in container
       * grant ownership for new `Self` object created
     * public `activate` action if the new object can not be activated on construct
     * public `link` getter for GTK `widget` (parental composition)
diff --git a/src/app/browser/window/tab.rs b/src/app/browser/window/tab.rs
index 2412f0e8..082b7047 100644
--- a/src/app/browser/window/tab.rs
+++ b/src/app/browser/window/tab.rs
@@ -253,6 +253,7 @@ impl Tab {
                 // Read HashMap index collected
                 let mut page_number = 0;
 
+                // @TODO incorrect order
                 for (_, item) in self.index.borrow().iter() {
                     item.save(
                         transaction,
diff --git a/src/app/browser/window/tab/item.rs b/src/app/browser/window/tab/item.rs
index 859777b4..38b3e961 100644
--- a/src/app/browser/window/tab/item.rs
+++ b/src/app/browser/window/tab/item.rs
@@ -43,9 +43,9 @@ impl Item {
         let id = uuid_string_random();
 
         // Init components
-        let label = Label::new(id.clone(), false);
+        let label = Label::new_arc(id.clone(), false);
 
-        let page = Page::new(
+        let page = Page::new_arc(
             id.clone(),
             page_navigation_request_text.clone(),
             action_tab_page_navigation_base.clone(),
diff --git a/src/app/browser/window/tab/item/label.rs b/src/app/browser/window/tab/item/label.rs
index 59b52ea2..3f8a2e07 100644
--- a/src/app/browser/window/tab/item/label.rs
+++ b/src/app/browser/window/tab/item/label.rs
@@ -24,11 +24,11 @@ pub struct Label {
 
 impl Label {
     // Construct
-    pub fn new(name: GString, is_pinned: bool) -> Arc<Self> {
+    pub fn new_arc(name: GString, is_pinned: bool) -> Arc<Self> {
         // Init components
-        let pin = Pin::new(is_pinned);
-        let title = Title::new();
-        let widget = Widget::new(name, pin.gobject(), title.gobject());
+        let pin = Pin::new_arc(is_pinned);
+        let title = Title::new_arc();
+        let widget = Widget::new_arc(name, pin.gobject(), title.gobject());
 
         // Init label struct
         let label = Arc::new(Self {
diff --git a/src/app/browser/window/tab/item/label/pin.rs b/src/app/browser/window/tab/item/label/pin.rs
index 2d84fd84..51e1e330 100644
--- a/src/app/browser/window/tab/item/label/pin.rs
+++ b/src/app/browser/window/tab/item/label/pin.rs
@@ -8,7 +8,7 @@ pub struct Pin {
 
 impl Pin {
     // Construct
-    pub fn new(visible: bool) -> Arc<Pin> {
+    pub fn new_arc(visible: bool) -> Arc<Pin> {
         let gobject = Image::builder()
             .icon_name("view-pin-symbolic")
             .visible(visible)
diff --git a/src/app/browser/window/tab/item/label/title.rs b/src/app/browser/window/tab/item/label/title.rs
index 6d48bf95..aadacb57 100644
--- a/src/app/browser/window/tab/item/label/title.rs
+++ b/src/app/browser/window/tab/item/label/title.rs
@@ -10,7 +10,7 @@ pub struct Title {
 
 impl Title {
     // Construct
-    pub fn new() -> Arc<Self> {
+    pub fn new_arc() -> Arc<Self> {
         Arc::new(Self {
             gobject: Label::builder()
                 .label(DEFAULT_LABEL_TEXT)
diff --git a/src/app/browser/window/tab/item/label/widget.rs b/src/app/browser/window/tab/item/label/widget.rs
index 2dd43ba2..b6e4c84a 100644
--- a/src/app/browser/window/tab/item/label/widget.rs
+++ b/src/app/browser/window/tab/item/label/widget.rs
@@ -10,7 +10,7 @@ pub struct Widget {
 
 impl Widget {
     // Construct
-    pub fn new(name: GString, pin: &Image, title: &Label) -> Arc<Self> {
+    pub fn new_arc(name: GString, pin: &Image, title: &Label) -> Arc<Self> {
         let gobject = Box::builder()
             .orientation(Orientation::Horizontal)
             .halign(Align::Center)
diff --git a/src/app/browser/window/tab/item/page.rs b/src/app/browser/window/tab/item/page.rs
index ca3b8ec4..5a4cc82b 100644
--- a/src/app/browser/window/tab/item/page.rs
+++ b/src/app/browser/window/tab/item/page.rs
@@ -36,7 +36,7 @@ pub struct Page {
 
 impl Page {
     // Construct
-    pub fn new(
+    pub fn new_arc(
         name: GString,
         navigation_request_text: Option<GString>,
         action_tab_page_navigation_base: Arc<SimpleAction>,