Who is The Great Goddess from When God Was a Woman and what is their importance?

The Great Goddess is known in various languages by various names—Anat, Anahita, Anaitis, Ashera, Ashtart, Ashtoreth, Astarte, Attoret, Attar, Au Set, Cybele, Hathor Inanna, Innin, Ishara, Istar, Isis, Nana, and Nut. In the Middle East, the Great Goddess is the Queen of Heaven. In various languages she is called "Queen of Heaven", "Lady of the High Place", "Celestial Ruler", "Lady of the Universe", "Sovereign of the Heavens", "Lioness of the Sacred Assembly", and "Her Holiness", but all refer to the same female deity rather than many deities.