Key Words Definitions, in religious studies

An atheist is an individual, who, simply, does not believe that God exists.

An agnostic is an individual, who does not know whether God exists or not. 

A theist is an individual, who believes God exists.

Omnipotent, means God is powerful and can do anything.

Omnipresent, means God exists everywhere/in all places, or is everywhere.

Omnibenevolent, means God is All-Loving and loves everyone.

Omniscient, means God is All-Knowing and knows everything; His knowledge is infinite/unlimited.

Transcendent, means something is far above anything else, status-wise; superior.

The Cosmological Argument is the argument that God exists, as He, must be the cause of the entire universe.