Multiple Layers & Layering Elements
You can have up to 15 layers, depending on your plan.
Open the Layout Designer
Hover over the screen you want to edit.
Click the circular purple edit icon in the top right corner of that screen.
Open the Layout section.
Click Edit layout.

Edits in the Layout Designer
Add a layer
Click Add Layer. The new layer will be added above the existing layers and will not contain any elements by default.
You can build your layers from scratch, or click Change layout in the bottom left corner to choose a different layout for your screenshot.
Reorder a layer
Use the move forward and move backward controls to send a layer back or bring it forward.
Delete a layer
Click the bin icon to delete the layer.
Duplicate a layer
Click the duplicate icon to create a copy of the layer.
Clear a layer
Click the eraser icon to remove all elements from the layer and start again.