synderesis
in philosophy
the innate knowledge of the basic principles of morality,
the ability of the human mind to realize the basic principles of ethics and morals

Epistemology: The theory of knowledge, including it’s nature, origins and limits.

Ontology: The study of existence, also the study of how we determine if things exist or not, as well as the classification of existence. 4 types of ontology: realism, empiricism, positivism, and post-modernism.

Metaphysics: Is the study of reality, the nature of reality existence, and the universe without taking God into the equation.