ALL ABOUT THE BOOK
'(<a href="http://www.j-archive.com/media/2006-07-21_DJ_22.jpg" target="_blank">Cheryl of the Clue Crew presents an image of a page of a book.</a>)  A "gloss" is a marginal translation or explanation of a difficult term; the same root gives us this word for a list of such terms'
a glossary