The play card shows relevant details when flying a mission. The Play outline is an indicator showing the percentage completion of the full mission. The title next to the play button shows the name of the mission component being run, including its percentage completion and time remaining.
Show Extended Mission Summary
In the Flight Dashboard User Interface Settings, toggle on Extended Mission Summary to see additional details, such as next waypoints, or number of map or facade segments remaining. The details vary by mission component.
Mission Summary with Details Expanded
With the mission details fully expanded, the summary shows additional information as well as what is coming up next, such as the next mission component