The role of the Moodle administrator is to manage categories and courses. It is possible to delegate these tasks to non-administrators and we will deal with this in Chapter 6, Managing Permissions: Roles and Capabilities. Let's start with an overview of course categories.
Categories act as containers for courses. They can have sub-categories, which can also have sub-sub-categories, and so on. The arrangement is similar to that of files and folders on a disk drive, where courses are like files and categories are like folders. This hierarchical structure can be visualized as follows:
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A course always belongs to a single category. It cannot belong to multiple categories and also cannot be without a category. There is one exception to this rule, namely; the front page. Internally, the front page is treated as a course that neither belongs to a category, nor can it be deleted.
There are different ways of organizing course and category hierarchies...