How do I edit tags?

If you'd like to edit the tags in your Base account, it's easy to do on the Settings page. If you are responsible for organizing the whole workflow for your team, you can e.g. prepare a set of tags to be used by everyone. 

Note: The list of tags for Leads, Contacts and Deals have to be created separately.

From the Customize section of the Settings page, you can add and edit tags with no trouble.  First click on Leads, Contacts or Deals on the left.

Next click on the Tags tab and then + Add Tag.