1
Pick a lesson
The sidebar lists modules and lessons. Locked drip lessons are visible but not openable yet. The viewer starts on the first lesson you can actually read.
2
Learn
Read blocks, watch video, download files, take quizzes, submit assignments. Opening a lesson records a view.
3
Complete
Use Complete and continue, or let a passed quiz / finished video complete the lesson when that is enabled. Progress is saved per enrolment.
4
Finish the course
When every lesson is done, the course is complete. If the course issues certificates, completion is what unlocks that.