Amun was the main god for Ancient Egypt at various junctures in it’s history. He gained ascendancy during the 12 dynasty but was at his most popular during the 18th dynasty, when the Hyksos were expelled. His consort is Mut and his son is Khonsu. His name means ‘the hidden one’. Amun is self created with out parentage. Amun is primeval. Amun manifests and is interchangeable with other gods. Amun symbolizes the epitome of holiness due to his nature of being unknown. In other words, one cannot fathom his divinity in all its’ complexities.
Amun was the god of air, an intangible element, hence his name. Air was one of the crucial four elements. As such he was considered the breath of life, having a hand in creating the ba. His female aspect, or a female deity with similar aspects is Amaunet, who has similar traits(goddess of air). It is believed that Amun originated in Kush.
Other manifestations, were with the god Re, a sun god.
Amun eventually came to be seen as the chief god in the Egyptian hierarchy. With the decline of Ancient Egypt, came the decline of Amun.