Module
The course and the learner's progress on this device.
How much of a set of videos is watched, and how long the rest runs.
Where the learner stands in one lesson (module).
One lesson's tile state.
The video the course overview's continue action opens, and why.
Everything the course overview's tiles show about progress.
Pairs each module with its summary, in module order; a module without a summary is left out.
Decides the course overview's progress: the course tally, each lesson's tile state, and the video the learner continues with.
One lesson (module) of the course with the summary of its videos, in
sequenceorder.