Access Summary lets you easily see usage statistics of your app and website, and check if users are behaving as you expected or not.
In addition to the numbers of sessions, you can see other statistics such as:
Execution numbers for each event
Daily Active User / Monthly Active User (DAU/MAU)
Activate event tracking to take advantage of Access Summary. See also Event Tracking.
When "TOTAL ACCESS" is selected, User Filter can not be set.