With the Activity selection, you can select 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. 
Add an activity here, if you wish to select the cases that pass this activity on their process path.
Add activities that you wish to "exclude". All cases that do not pass this activity will be selected.
Select cases which start in the activities that are selected here.
Select cases that end in the activities selected here.
