To add a shape to your layout, click the Shape icon on the top left options - this option is available in the Layout, Page and Portrait Template Editors.
Shapes can be resized using their frame handles.
Change the form in the frame border editor options.
Add a border effect.
Change the color of your shape and its border.
Create a gradient effect.
Reorder your shape so it appears behind other frames.
When adding a shape to a page containing a composite frame, you may need to turn occlusion off the shape frame so it doesn't interfere with the grid.