Question

A list of words, especially in a textbook, along
with an explanation of their meanings.
(a) supplement
(b) appendix
(c) glossary
(d) dictionary​

Answer 1

here u go

Explanation:

1. a thing added to something else in order to complete or enhance it.
2. a tube-shaped sac attached to and opening into the lower end of the large intestine in humans and some other mammals. In humans the appendix is small and has no known function, but in rabbits, hares, and some other herbivores it is involved in the digestion of cellulose.
3. an alphabetical list of words relating to a specific subject, text, or dialect, with explanations; a brief dictionary
4. a book or electronic resource that lists the words of a language (typically in alphabetical order) and gives their meaning, or gives the equivalent words in a different language, often also providing information about pronunciation, origin, and usage.