substance (ὑποκείμενον [hypokeímenon "underlying"]) The primary matter, formless substance (ousia) which makes up things. quality (ποιόν [poión "like what"]) The way in which matter is organized to form an individual object. In Stoic physics, a physical ingredient (pneuma: air or breath) which informs the matter. "somehow disposed" (πὼς ἔχον [pós échon]) Particular characteristics, not present within the object, such as size, shape, action, and posture. "somehow disposed in relation to something" (πρός τί πως ἔχον [prós tí pos échon]) Characteristics which are related to other phenomena, such as the position of an object within time and space relative to other objects.