Click on the screen and drag to create a polygon.
Select shape types on the left of the screen. You can choose between Poly, Rect, and Point.
Add data to a specific shape in the data box when you select it. If you'd like multiple shapes to keep the same data and hue, create a new preset and then select it. You shall find created presets underneath the overall shape options.
Right click on a select box to duplicate the selection.
Press the [del] key in edit mode to delete a series of points. This is also a way to reduce the poly count. Press [del] when multiple shapes are selected to delete shapes in batches.
The "rule" checkbox lets you see what direction the selected polygon is facing. This is important when using the tool to make levels that require directional collision response.