Metaphysics is a branch of philosophy, which comes from the Greek and means, beyond the physical, and aims to study, the events that have no explanation, by science, in a few short words the intangible study the immaterial, it studies the spiritual area, metaphysics embraces the spiritual from God to the astrological, metaphysics seeks to study everything, the causes, the effects, the structures, the concepts of metaphysics, it is being, existence, nothing, world, space, essence, God, time, change, chance, freedom and end.
Everything you think will be fulfilled.
For Aristotle, this was the main philosophy.