An index is a listing of the contents of a book, article, page, paragraph etc.
While a glossary is a listing of definitions or comments of a written work.
Hope that helped! :)
The String Family would have the most members in an orchestra
Maya stelae <span>are monuments made by the </span>Mayans. Their function is unknown, but they are characteristic <span>of Classic Mayan civilization.</span>
So, I'm assuming you're talking about Grey's Anatomy, yeah? If so, It is about Dr. Mayfield, an erectile dysfunction specialist, whose office is Number 22. Thus, "I've got an appointment with Mayfield in 22."