to be a matter of; to be aboutThis usually appears in the fixed expression "il est question de ..." meaning "it is about ..." or "there is talk of ...". The bare phrase "être question" is not usually used alone in everyday French, but it can appear in references to the expression itself.
FR: Dans cette expression, « être question » sert à parler de quelque chose.
EN: In this expression, "être question" is used to talk about something.