Are a matter of - Idioms by The Free Dictionary
be a matter of (doing something) (redirected from are a matter of)
be a matter of (doing something)
To be contingent on doing a particular thing. It's a matter of sticking with the program in order to succeed.
be (all) a matter of something/doing something depend on something/doing something: Success in business is all a matter of experience. ♢ Doing anything well is a matter of practice.