downstage vs upstage

downstage and upstage both are nouns.

Word	Noun	Adjective	Verb	Adverb
downstage	Yes	Yes	No	Yes
upstage	Yes	Yes	Yes	Yes

downstage (noun)	upstage (noun)
the front half of the stage (as seen from the audience)	the rear part of the stage

downstage (adjective)	upstage (adjective)
of the front half of a stage	of the back half of a stage
	remote in manner

downstage (verb)	upstage (verb)
	steal the show, draw attention to oneself away from someone else
	move upstage, forcing the other actors to turn away from the audience
	treat snobbishly, put in one's place

downstage (adverb)	upstage (adverb)
at or toward the front of the stage	at or toward the rear of the stage