concentrate on vs revolve around

concentrate on and revolve around both are verbs.

Word	Noun	Adjective	Verb	Adverb
concentrate on	No	No	Yes	No
revolve around	No	No	Yes	No

As verbs, concentrate on and revolve around are synonyms defined as:

Other synonyms of concentrate on include center, center on, centre, focus on, revolve about.

concentrate on (verb)	revolve around (verb)
center upon	move around in a circular motion
	center upon