Within a subsection, you will find a unit containing at least one component, including a content experiment, HTML, problems, discussions, and videos. Students will see a unit as a single page. In addition, a unit is not represented in the course accordion, but instead it appears in the course ribbon at the top of each unit.
In the following screenshot, the unit consists of the right two thirds of the interface, with the Lesson 2: Let's Get Interactive headline. Note that the icon for three other units is in the ribbon above the unit:
Create a unit, either from the course outline or in the same subsection, as follows: