[+] Added comment.

DapRightPanelForm.ui.qml

+//****************************************************************************
+//                     Implements the right panel widget.
+//****************************************************************************
+
 import QtQuick 2.4
 import QtQuick.Controls 2.0
 
-Rectangle {
-    id: dapRightPanel
+Rectangle 
+{
+    id: rightPanel
     
-    property alias rightPanel: dapRightPanel
-    property alias header: dapHeader
-    property Item headerData: Item { }
-    property alias childRightPanels: dapChildRightPanels
-    property  Item contentItemPanel: Item { }
+    // Right panel widget
+    property alias dapRightPanel: rightPanel
+    // Right pane title widget
+    property alias dapHeader: header
+    // Right pane header data
+    property Item dapHeaderData: Item { }
+    // 
+    property alias dapChildRightPanels: childRightPanels
+    // 
+    property  Item dapContentItemPanel: Item { }
     
-    rightPanel.anchors.top: parent.top
-    rightPanel.anchors.bottom: parent.bottom
-    rightPanel.anchors.right: parent.right
+    dapRightPanel.anchors.top: parent.top
+    dapRightPanel.anchors.bottom: parent.bottom
+    dapRightPanel.anchors.right: parent.right
 
     Item
     {
-        id: dapHeader
-        data: headerData
+        id: header
+        data: dapHeaderData
         anchors.top: parent.top
         anchors.left: parent.left
         anchors.right: parent.right
@@ -25,8 +35,8 @@ Rectangle {
 
     StackView
     {
-        id: dapChildRightPanels
-        initialItem: contentItemPanel
+        id: childRightPanels
+        initialItem: dapContentItemPanel
         anchors.top: dapHeader.bottom
         anchors.left: parent.left
         anchors.right: parent.right

DapScreen.qml

 import QtQuick 2.4
 
-DapScreenForm {
+DapScreenForm 
+{
+    
 }

DapScreenForm.ui.qml

+//****************************************************************************
+//                      Implements a screen widget.
+//****************************************************************************
+
 import QtQuick 2.4
 import QtQuick.Controls 2.0
 
-Rectangle {
-    id: dapFrame
+Rectangle 
+{
+    id: frame
 
-    property alias frame: dapFrame
-    property Item contenetItemScreen
+    // Frame widget
+    property alias dapFrame: frame
+    // Screen components
+    property Item dapContenetItemScreen
 
     anchors.fill: parent
 
-    Item {
-        id: dapContenetItemScreen
-        data: contenetItemScreen
+    // Install screen components
+    Item 
+    {
+        id: contenetItemScreen
+        data: dapContenetItemScreen
     }
 }
-
-/*##^##
-Designer {
-    D{i:0;autoSize:true;height:480;width:640}
-}
-##^##*/

DapTabForm.ui.qml

+//**************************************************************************** 
+//                  Implements a general view of the tab.
+//****************************************************************************
+
 import QtQuick 2.4
 import QtQuick.Controls 2.0
 
-Page {
-    property DapTopPanelForm topPanelForm
-    property DapScreenForm screenForm
-    property alias separator: dapSeparator
-    property DapRightPanelForm rightPanelForm
+Page 
+{
+    // Top panel widget
+    property DapTopPanelForm dapTopPanelForm
+    // Screen widget
+    property DapScreenForm dapScreenForm
+    // Separator widget
+    property alias dapSeparator: separator
+    // Right pane widget
+    property DapRightPanelForm dapRightPanelForm
 
     anchors.fill: parent
-
-    header: topPanelForm
-
+    // Install the top panel widget
+    header: dapTopPanelForm
+    // Install the screen widget and the right panel
     contentItem:
-        Rectangle {
-
-        Item
+        Rectangle 
         {
-            id: dapScreenForm
-            data: screenForm
-            height: parent.height
-            anchors.left: parent.left
-            anchors.right: separator.left
-        }
-
-        Rectangle {
-            id: dapSeparator
-            height: parent.height
-            width: 3 * pt
-            color: "green"
-            anchors.right: dapRightPanelForm.left
+            // Screen widget
+            Item
+            {
+                id: screenForm
+                data: dapScreenForm
+                height: parent.height
+                anchors.left: parent.left
+                anchors.right: separator.left
+            }
+            // Separator widget
+            Rectangle 
+            {
+                id: separator
+                height: parent.height
+                width: 3 * pt
+                color: "green"
+                anchors.right: rightPanelForm.left
+            }
+            // Right pane widget
+            Item
+            {
+                id: rightPanelForm
+                data: dapRightPanelForm
+                height: parent.height
+                anchors.right: parent.right
+            }
         }
-
-        Item
-        {
-            id: dapRightPanelForm
-            data: rightPanelForm
-            height: parent.height
-            width: rightPanelForm.width
-            anchors.right: parent.right
-        }
-    }
-}
-
-/*##^## Designer {
-    D{i:0;autoSize:true;height:480;width:640}
 }
- ##^##*/

DapTopPanel.qml

 import QtQuick 2.4
 
-DapTopPanelForm {
+DapTopPanelForm 
+{
+    
 }

DapTopPanelForm.ui.qml

+//**************************************************************************** 
+//              Implements a general view of the top tab bar.
+//****************************************************************************
+
 import QtQuick 2.4
 import QtQuick.Controls 2.0
 
-Rectangle {
-    id: dapFrame
+Rectangle 
+{
+    id: frame
     
-    property alias frame: dapFrame
-}
-
-
-
-
-
-
-
-/*##^## Designer {
-    D{i:0;autoSize:true;height:480;width:640}
+    property alias dapFrame: frame
 }
- ##^##*/