When you have to deal with a lot of zones, it besomes useful to organize them, to keep a clear view on the whole. The layers allow you to stay organized to easily manage your catchment areas.
The layers and zones management is done in the Layers panel on the lower left part of the screen.
Layers can be recognized by the following icon:
Each layer can contain one or many zones, allowing you to regroup and organize them according to your needs (region, country, brand, …).
Zones can be recognized by the following icons, according to the zone type:
Each zone is attached to a layer.
To go further: