With the Activity selection, you can filter for cases that pass, start-/end in certain activities.
On the left side, you won't see the available tables any more, but all activities, that are included in these tables. You can drag & drop them in one of the 4 fields in the center.
To search for an activity, you can also use the search field
Alternatively you can also use the search field in all 4 sections.
Overview
Content Tools