The Course Outline is organized by Sets and Concepts. Sets are like chapters and concepts are like sub-chapters.
Click on Open Course from the homepage
Click on the tab Course Outline tab
You are now viewing all of the sets in the outline. Click on any of the sets to view all of the concepts within that particular set.
Once you click on a set, the course outline will expand and appear like the image below. Click on a concept to see the content within that particular concept.