It filters by the start date of the corresponding process instance, and not by the start date of the activity instances in the result. The UI should make this distinction clear.
Hints (Optional):
Example:
The time period is "Today"
A process instance was started three days ago
Four activity instances of the process instance were executed today
The activity instances are not counted in the displayed statistics
This is the controller panel for Smart Panels app
[CAM-13480] In the process definition history view, the time restriction label cleary describes its semantics