Object Study of Philosophy

ontology in philosophy is one of the objects of study, in this case studying something that exists or about the essence of matter. in this case because someone when seeing something will arise several questions, including the question "What?" and this ontology seeks to answer the "What" question.
And metaphysics is a branch of philosophy that discusses everything that happens in the real world. in this case metaphysics according to Aristotle also has 2 separate objects, namely something that is and something that is divine.