Blogging Glossary: Categories
WordPress Categories are a way to organise your posts into broad groups. They enable your website visitors to quickly determine the main topics covered by posts on your website.
#WordPress Categories are a way to organise your posts into broad groups via @diywptips
Use Categories to help visitors to your website quickly and easily find the content that interests them within a few clicks, which is also great for SEO.
This post is in the Glossary category, so DIY WordPress Tips visitors can see straight away that the blog covers definitions of WordPress terms and jargon.
Categories are defined in a hierarchy, which means you can define sub- as well as parent categories.