The "Triple Goddess"/ "Triple Moon" symbol of the waxing, full and waning moon, representing the aspects of Maiden, Mother, and Cron
The "Triple moon" is a Goddess symbol that represents the Maiden, Mother, and Crone as the waxing, full, and waning moon. It is also associated with feminine energy, mystery and psychic abilities. You often see this symbol on crowns or other head-pieces, particularly worn by High Priestesses.
The Mother represents ripeness, fertility, fulfilment, stability, and power. The Mother Goddess in Greek mythology is Demeter, representing wellspring of life, giving and compassionate.
Other mother goddesses include: Aa, Ambika, Ceres, Astarte, Lakshmi.
The Maiden represents enchantment, inception, expansion, the female principle, the promise of new beginnings, youth, excitement, and a carefree erotic aura. The Maiden in Greek Mythology is Persephone - purity - and a representation of new beginnings.
Other maiden goddesses include: Brigid, Nimue, among others.
The Crone represents wisdom, repose, and compassion. The Crone in Greek mythology is Hecate - wise, knowing, a culmination of a lifetime of experience.
Other Crone goddesses include: Hel, Maman Brigitte, Oya, Sedna, Skuld, and others.