Definitions for matter

(a vaguely specified concern; "several matters to attend to"; "it is none of your affair"; "things are going well")

(some situation or event that is thought about; "he kept drifting off the topic"; "he had been thinking about the subject for several years"; "it is a matter for the police")

(that which has mass and occupies space; "physicists study both the nature of matter and the forces which govern it")

(a problem; "is anything the matter?")

((used with negation) having consequence; "they were friends and it was no matter who won the games")

(written works (especially in books or magazines); "he always took some reading matter with him on the plane")

(have weight; have import, carry weight; "It does not matter much")