revolve about vs revolve around

revolve about and revolve around both are verbs.

Word	Noun	Adjective	Verb	Adverb
revolve about	No	No	Yes	No
revolve around	No	No	Yes	No

As verbs, revolve about and revolve around are synonyms defined as:

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

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