This is the probable meaning of the title because Metaphysics is about things that do not change. In one place, Aristotle identifies the subject-matter of first philosophy as “being as such”, and, in another as “first causes”. It is a nice—and vexed—question what the connection between these two definitions is. Perhaps this is the answer: The unchanging first causes have nothing but being in common with the mutable things they cause. Like us and the objects of our experience—they are, and there the resemblance ceases. (For a detailed and informative recent guide to Aristotle's Metaphysics, see Politis 2004.)