revolve around
phrasal verb
revolved around;
revolving around;
revolves around
Definition of revolve around
1
: to move around (something) in a path that is similar to a circle
The planets revolve around the sun.
2
: to have (someone or something) as a main subject or interest
The discussion revolved around the question of repairing the roads. His life revolves around playing basketball. He thinks the world revolves around him.