mirror vs depiction

mirror and depiction both are nouns.

Word	Noun	Adjective	Verb	Adverb
mirror	Yes	No	Yes	No
depiction	Yes	No	No	No

As nouns, depiction is a hypernym of mirror; that is, depiction is a word with a broader meaning than mirror:

Other hypernyms of mirror include depicting, portrayal, portraying.

mirror (noun)	depiction (noun)
polished surface that forms images by reflecting light	representation by drawing or painting etc
a faithful depiction or reflection	a drawing of the outlines of forms or objects
	a representation by picture or portraiture
	a graphic or vivid verbal description

mirror (verb)	depiction (verb)
reflect or resemble
reflect as if in a mirror