How do I display a Taxonomy Term Description to a view in D7? I would also like to know how to display a custom field that you add to taxonomy terms.... D7
You will have to add a relationship to include the term data for the content(?) you are listing – then the term description will be available as regular View fields.

You can check out Learn Views with NodeOne, part 11: Relationships for a quick video on managing relationships.

Good luck!