it's a question of something

it's a question of (something)

The point (of something) is actually, ultimately, or fundamentally about something else. If it's a question of money, rest assured that our firm is willing to pay you whatever you ask for the service. It isn't about how this might help my career; it's a question of morals.
See also: of, question

it’s (just, etc.) a ˈquestion of something

it concerns something; it is really about something: It’s not a question of money; it’s much more a question of principle.If it’s a question of paying you a bit more, then I think we can consider that.
See also: of, question, something