to have sb/sth as the main interest or subject :
His whole life revolves around surfing.
She thinks that the world revolves around her.
The discussion revolved around the question of changing the club's name.
to have sb/sth as the main interest or subject :
His whole life revolves around surfing.
She thinks that the world revolves around her.
The discussion revolved around the question of changing the club's name.
Oxford Advanced Learner's English Dictionary. Оксфордский английский словарь для изучающик язык на продвинутом уровне. 2005