Documentary
Part of speech: noun
Definition: A film, TV program, publication etc. which presents a social, political, scientific or historical subject in a factual or informative manner.
Part of speech: adjective
Definition: of, related to, or based on documents. which serves to document (record and:or illustrate) a subject. presented objectively without the insertion of fictional matter.
Example sentence: I didn't realize that, in doing a documentary, there is this process of discovery. It's not like a film or a play with a set script. It sort of reveals itself.
Docudrama
Part of speech: noun
Definition: A type of drama (a film, a television show, or a play) that combines elements of documentary and drama, to some extent showing real events and to some extent using actors performing recreations of documented events.