Update 3 1 ui components

3-1-ui-components.md

@@ -23,12 +23,25 @@ When you first start Mirae WAVE, this environment consists of the following elem
 
 ##### 2.  The **Variables Pane** displays list of variables after you import your numerical data.
 
+It consists of two components: control bar and display area.
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+[Add image]
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 ##### 3.  In **Area Pane**, you can choose and control the region (map area) of the gridded layer.
 
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 ##### 4.  In **Rendering Pane**, you can display meteorological data in single or multiple layers.
 
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 ##### 5.  The **Layers Pane** displays and manages the layer list. 
 
+It consists of two components: control bar and display area.
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+[Add image]
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 By default, it displays and activates *Background Map* and *Borderlines Map* layers. 
 
 ##### 6.  The **Actions Pane** displays the history of actions related to the selected layer.