You can organise and segment networks using groups. This can be useful if you want to configure different networks (SSIDs) on different floors or areas, for example. If you wanted to do this, you would start by configuring the networks in the Networks menu. Then, use the Groups menu to define different groups by, for example, assigning the networks for the ground floor to the "ground floor" group. Finally, assign all connected ground floor devices to the "ground floor" group. Follow the same steps for every other area so that all devices are assigned to a group.