It would be helpful if on the Learner's Home My Assignments screen there was a column (to the left of the Assignment Name) with the Unit and Lesson Number. Students could tell at a glance where they were in the course and where the lesson is being pulled from.

It would also make it much simpler to assign the lessons (i.e. saying "Do Unit 5 Lesson 2 videos and exercises") instead of needing to list out each title (which is currently the only way they know if they are on the correct assignment.