existence of God, in religion, the proposition that there is a supreme supernatural or preternatural being that is the creator or sustainer or ruler of the universe and all things in it, including human beings.
(Ecclesiastical Terms) a supernatural being, who is worshipped as the controller of some part of the universe or some aspect of life in the world or is the personification of some force. 2. (Ecclesiastical Terms) an image, idol, or symbolic representation of such a deity.
Christians believe in a singular God that exists in a Trinity, which consists of three Persons: God the Father, God the Son, and God the Holy Spirit.