what is Metaphysics?What is the mystery in learning Metaphysics

Just with simple explanation,Metaphysics is the study of the nature of reality, including the relationship between mind and body, substance and accident, events and causation. Traditional branches are cosmology and ontology.
Traditionally, metaphysics attempts to answer two basic questions in the broadest possible terms:

1. "What is there?"
2. "What is it like?"^[3]

The metaphysician attempts to clarify the fundamental notions by which people understand the world, including existence, the definition of object, property, space, time, causality, and possibility.
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