Be to do with - Idioms by The Free Dictionary
be to do with (something) (redirected from be to do with)
be to do with (something)
To be related to something. I overheard you girls talking and couldn't help but wonder what prom dresses are to do with the science project you're supposedly working on.
be/have to do with somebody/something be connected or concerned with somebody/something: ‘What do you want to see me about?’ ‘It’s to do with the letter you sent.’ ♢ I’m not sure what he does for a living but I know it’s something to do with computers.