Philosophy is science that always seeks truth. Philosophy is also called the mother of knowledge.
Ontology comes from the Greek language, Ontos means being (being) and Logos means mind (logic). So, Ontology means the science that deals with the nature of something that exists / is or in other words it means the knowledge that studies about "what is" or can be said to be tangible.
contains conflicting descriptions.
Rational: Must be based on rules of correct thinking (logical)
Comprehensive: See objects not only from one side / point of view,
Radicals: Described to the root of the problem, or its essence.
universal: The charge is true to the general extent applicable everywhere.