Supreme Being

One should think of the Supreme Being as being the entity responsible for the creation of the Universe.

The Freemasons refer to the Supreme Being as being The Great Architect of the Universe.  To join Freemasonry you must profess a belief in the existence of a Supreme Being.  Freemasonry does not care what name you use for your chosen Supreme Being.

Most Christians consider the Supreme Being to be named God.

Most Muslims consider the Supreme Being to be named Allah.

Other religion have their own name for the Supreme Being.

Even most of the ancient religion, with many gods, had a Supreme Being who ruled over the other gods.