Who is Kore in Greek mythology and what is her significance in the ancient Greek pantheon?

In Greek mythology, Kore is another name for Persephone, the daughter of Demeter and the queen of the underworld. She is significant in the ancient Greek pantheon because her abduction by Hades and subsequent time spent in the underworld led to the changing of the seasons, with her return to the surface symbolizing the rebirth of nature in spring.