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Go to Administer>Content Management>Categories>Add vocabulary.
Title
Give you vocabulary a title.
Description
Give your vocabulary a description.
Help text
Give your vocabulary some help text when adding terms to it.
Types
Check any content types you wish to use with this vocabulary. This can be a useful way of restricting what users can do with the site.
Hierarchy
Disabled
When you add terms there are no parent-child relationships.
Example:
- Red
- Green
- Blue
- Orange
- Yellow
Single
When you add terms there is a single level of parent-child relationship.
Example