If you follow the playlists, everything will be introduced. The only thing that is not in the playlists are the intro videos. We suggest you watch them before you start anything. It will just talk about that section of the program. Other than than, the playlists are a great way to progress.
While following the playlists, try to read what is written in the comments for the adavus, it will give you an insight into anything you might want to do to supplement your practice