Create sets of groups that can be applied as a filter parameters to views.
Manage your Group-Sets from the link in the top right preferences menu.
On the Manage Group-Sets page, your collections of groups are on the left, and the groups contained in them are displayed on the right.
Edit Group-Set name and description or delete using the buttons on each Group-Set. Add groups to a set by typing a group name in the search bar. Remove an added group with the 'x'.
In the top menu, pick from your assigned groups or a Group-Set.
When Group-Set filters are applied, the 3 tabs that are affected by the filter will have the group icon displayed.