The Mastery tab shows the user's mastery for all assigned Mastery Profiles, much like is displayed on the learner client.

Each card can be clicked to drill into the contents of that Profile.

https://cdn.elev.io/file/uploads/Y8HRug0UP1_nc7keKhPlUMb6EWaLyF_WbEgwSgzwTko/fcuGO1UdNwYm_EHqmCFIxzutYDae1Ft1m9bFJsLkldI/MasteryTab2-taY.png