Add or rename layers in a notebook.

1. Open a notebook.
2. Tap the button List Format in the top-right hand corner.
3. Tap Layers in the popover. The original note is Layer 1 as default. 
4. Tap Add. Layer 2 will appear. 
5. Tap Add as many times as you need to create more layers. 
6. Tap the button More on the far right, then select Rename to rename the layers. 

            Tip: Name of layers apply across all pages of a notebook.