In monotheism, God is conceived of as the Supreme Being and principal object of faith.

The concept of God as described by most theologians includes the attributes of omniscience (infinite knowledge), omnipotence (unlimited power), omnipresence (present everywhere), divine simplicity, and as having an eternal and necessary existence.

Many theologians also describe God as being omnibenevolent (perfectly good) and all loving.

In theism, God is the creator and sustainer of the universe, while in deism, God is the creator, but not the sustainer, of the universe.

In pantheism, God is the universe itself. In atheism, God is not believed to exist, while God is deemed unknown or unknowable within the context of agnosticism.

God has also been conceived as the source of all moral obligation, and the ‘greatest conceivable existent’. Many notable philosophers have developed arguments for and against the existence of God.

There are many names for God, In the ancient Egyptian era Aten, in the Hebrew Bible and Judaism YHWH ‘I am who I am’ and Yahweh or Jehovah, in Christian Trinity, God is called the Father, the Son, and the Holy Spirit, in Islam the name is Allah, in Hinduism, Brahman.