How can I add a catagory to Courses so learners can search by catagory in Redwood?

Summary:

We are trying to test Redwood and there is no place for us to add catagories in "Content", "Course", Offering" "Activity". Where is this suppose to be done?

Would love a video or step by step instructions.

Content (please ensure you mask any confidential information):

Version (include the version you are using, if applicable):

Fusion

Code Snippet (add any code snippets that support your topic, if applicable):