The Rectangle button allows to draw a closed rectangular polyline.
Quick Access Panel: 
Ribbon: Editor -> Draw -> Rectangle
Menu: Draw -> Rectangle
The rectangle has all the properties of a polyline.
To add a rectangular
1. Click on the icon .
2. Click to start drawing the first corner or enter the coordinates via the dynamic input.
3. Drag the pointer diagonally in the direction you want, to draw a square-cornered shape.
4. Press Enter or left click.
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