Displaying main categories and subcategories on your site
Categories are content containers; they tell Joomla how to group things in the backend. Now, how do you get the content in those containers to show up on your website? You've already seen in Chapter 4, Web Building Basics: Creating a Site in an Hour, that one way to do this is by adding a menu link of the Category Blog type. This way, you already have added menu links to the Lectures and Meetings categories.
Let's go into creating menu links pointing to categories in some more detail. How do you go about creating a menu link to display the contents of the new Activities main category (top-level category) and its subcategories?
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