The Engagement tab shows the user's usage history for the selected period (week, month, year) as a line graph.

The Engagement tab of the user context panel for a user named Robin Atkins. In the tab there is a dropdown to choose a timeframe. In this case, year is selected. Below that is a graph showng the number of mastery moments completed and the number of Activities exercised over the past four months (since the user was created four months ago).

This graph shows all of the user's completed Mastery and Mini Moments.