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@@ -10,11 +10,11 @@ Welcome to Mirae WAVE On-line Documentation
 
 3 Basics of User Interface
 * [UI components & terminology](3-1-ui-components)
-* Opening data files (Data Pane)
-* Showing data on a layer (Layers Pane)
-* Controlling perspective (Main screen)
-* Controlling regional boundaries (Thumbnail Pane)
-* Undo & Redo (Actions Pane)
+* [Opening data files (Data Pane)](3-2-open-data)
+* [Viewing data with layers (Layers Pane)](3-3-open-layer)
+* [Controlling perspective (Main screen)](3-4-control-perspective)
+* [Controlling regional boundaries (Thumbnail Pane)](3-5-control-boundary)
+* [Undo & Redo (Actions Pane)](3-6-action-history)
 
 4 User Scenario & Tips
 1. Visualizing a variable (scalar field) on horizontal planes