Ontology deals with your concept of universal Reality. There are three possible ontologies: Materialism, Unhappy Dualism, and Happy Dualism.
Presupposition #2: Metaphysics
Metaphysics is the question of whether there is a supernatural part to Reality or not. Is the natural world open or closed? Is there something beyond the material world?
Presupposition #1: Being
Being focuses on pure existence itself. What is existence? Is one’s existence timeless or temporal? Is time linear or cyclical?
Worldview
A worldview shapes our perspective on life, serving as the foundation for our choices and understanding of reality.
Biblical Lessons from Nature 