The answer is dictionary.
<span>glossary - an alphabetical list of terms or words found in or relating to a specific subject, text, or dialect, with explanations; a brief dictionary.
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a thesaurus lists words in groups of synonyms and related concepts.
it is not an encylopedia
Answer:
endoplasmic reticulum, Golgi apparatus,
Explanation:
A broad vocabulary will allow you to use good diction.
The answer most likely is c.