direct discourse vs direct quotation

direct discourse and direct quotation both are nouns.

Word	Noun	Adjective	Verb	Adverb
direct discourse	Yes	No	No	No
direct quotation	Yes	No	No	No

As nouns, direct discourse and direct quotation are synonyms defined as:

direct discourse and direct quotation: a report of the exact words used in a discourse

direct discourse (noun)	direct quotation (noun)
a report of the exact words used in a discourse	a report of the exact words used in a discourse