A1on the subject of, or connected with: What's that book about?a film about the Spanish Civil WarWe were talking/laughing about Sophie.He's always (going)on about what a great job he's got.I'm worried about David.I really don't know what all the fuss is about.I wish you'd do something about (= take action to solve the problem of) your bedroom - it's a real mess.UKinformalCould you make me a coffee too while you're about it(= while you are making one for yourself)?What didn't you like about the play?There's something about (= in the character of) her attitude that worries me.There's something special about him (= in his character)."Is that your car?" "Yes, what about it?" (= Why are you asking me?)Regarding and concerningLinking and relating