the branch of philosophy
which studies fundamental principles
intended to describe or explain all that is, and which are not themselves explained by anything more fundamental; the study of first principles; the study of being
insofar as it is being (ens in quantum ens); the view
of a particular philosopher or school of thinkers concerning the first principles which describe or explain all that is
"philosophers sometimes say that metaphysics is the study of the ultimate furniture of the universe."