Update 3 1 ui components

3-1-ui-components.md

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 ![](img/3-1-ui-components.png)
 
+When you first start Mirae WAVE, this environment consists of the following elements:
+1.  The **Menu Bar** contains menus for controlling and rendering 3-D images, with the *Home* tab is active by default...
+1.  The **Variables Pane** contains list of variables in numerical data...
+1.  The **Area Pane** displays region (map area) of the gridded layer...
+1.  The **Rendering Pane** displays meteorological data in multiple layers...
+1.  The **Layers Pane** displays and manages the layer list...
+1.  The **Actions Pane** shows the history of actions, with *Undo* and *Redo* buttons for undoing and redoing actions, respectively.
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 > To Trang:  
 > How about naming the UI components as, "menu bar", "variables pane", "area pane", "rendering pane", "layers pane", "actions pane"?. I myself don't like the names very much. Let me know if you have better names.