Tags are an auxiliary mode of classification in WordPress. But that doesn’t mean they’re not important. In fact, search engines are quite fond of tags — and, if you use them properly, your site visitors will be too.
Categories are the primary mode of classification and organization in WordPress. In fact, WordPress requires that you use categories on each and every post. This lesson shows you how to work with categories, and provides guidance on setting up the default category.
Pages are a lot like posts, but they’re not exactly like posts. This lesson shows you how to create a page with an emphasis on the things that make creating a page different from creating a post.
As with posts and pages, quite a few WordPress users are confounded by the difference between categories an tags. This lesson sorts out those differences and provides guidance on when, and how, to use each.
Links are a special kind of WordPress content. You can use links to create blogrolls or a collection of links to sites on any topic of interest.