+**Ontology** is the philosophical study of being and existence itself. It explores fundamental categories of what exists, their properties, and how they relate, seeking to define the very nature of [Reality](/wiki/reality). This branch of [Metaphysics](/wiki/metaphysics) delves into questions of what is real and how it is structured.
+## See also
+- [Epistemology](/wiki/epistemology)
+- [Existence](/wiki/existence)
+- [Philosophy](/wiki/philosophy)
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