Moodle enables you to organize a course by Week, in which case each section is labeled with a date instead of a number. Alternatively, you can choose to make your course a single, large discussion forum. Most courses are organized by Topic, such as the one seen in the next screenshot:
Note that the first topic is not numbered. Moodle allows you the first topic as the course introduction.
Teachers can hide and show sections at will. This enables a teacher to open and close resources and activities as the course progresses.
Topics are the lowest level of organization in Moodle. The hierarchy is Site | Course Category | Course Subcategory ...
