Belief in Deity.
God is represented in a Trinity of three persona's. Father, Son and Holy Spirit they are perichoretic community
The Cosmological Arguement is: Nothing can come into existence by itself and we know the universe exists therefore something created it. The only powerful enough being is God, therefore he exists. God is the unmoved mover.- Thomas Aquinas
The Teleological Argument is: The world is far to complex to not have been purposely designed therefore something must have designed it. ie God.God is the great designer. - William Paley
The Ontological Argument: God should be described as "that which nothing greater can be conceived."