Courses and sections work together in Canvas.
The Course is where students:
Sections are groups of students that have been organized for administrative purposes. All sections of a course share the same content. However, Sections allow the instructor to:
The following diagram illustrates a hierarchy for a course that has three sections, each with two students.
Sections can be managed as if they were their own class within a course site or they can be managed to allow interaction with other sections for a larger course experience.
You can use sections to create groups. If you do, you can have group members interact only within the section or have group members interact across sections.