Categories in WordPress
Categories for posts or blog posts, help group related posts together, quickly tell readers what a post is about and help find your content on your site and with search engines on the Internet. Categories are like tags, but are broader than tags.
Example of Categories and Tags
Categories – Photography and Digital Photography are examples of categories.
Tags – iPhone, iPhone photos, iPhone videos would be examples of tags.
Setting up Categories – Can be set up in Dashboard and Post Editor
Categories from Dashboard – Go to the Dashboard, then hover over Posts and select Categories. You will see a list of your existing categories and option to add new categories. Add new categories by filling out the fields, description optional, but helpful.
Important – You will need to edit and remove the Uncategorized category. This can be done by simply renaming Uncategorized to a category for your site.
Tags IN WORDPRESS
Tags help to group related posts together and to quickly show readers what a post is about. Tags make it easer to find your content. Tags are similar categories, but they are more specific.
You can learn more about about Categories vs. Tags at WordPress.com support.
Adding tags from the Post Editor – Tags can be added and managed to posts by using the Post Tags Module on the right side of post editor.