From Longman Dictionary of Contemporary Englishbe a question of somethingbe a question of somethingMAINused to say what the most important fact, part, or feature of something is Dance is a question of control and creative expression. I would love to come, but it’s a question of time. → question
Examples from the Corpus
be a question of something• It is a question of character.• It is a question of whether they are good at managing.• It is a question of which side of the river you take - the Maidenhead or the Buckinghamshire side.• It was a question of buying or not buying a locomotive.• It was a question of the light.• For Christians its precise location was a question of supreme importance; but they had no criteria for answering it.• It may not be a question of free will.• This is a question of people's personal decisions.• More train stations will be approved, it's just a question of when and where. 