Categories are a site-wide way to organize your courses. You can also create subcategories. The categories or subcategories become an online course catalog. Organize them in the same intuitive way you would a printed course catalog.
Every Moodle course belongs to one course category. Even if you choose to hide the display of categories, each course must still belong to a category. For sites with one or a few courses, we often hide and ignore the categories and display just the courses. When we need to show our users an organized catalog, then we display the categories and subcategories.
There are several ways to display categories on the front page of your Moodle site.
The list that shows both course categories and the courses is called the combo list. It looks like what is seen in the following screenshot:
The combo list gives your front page an organized appearance. If you have a moderate number...