Depicting the eight Pagan holidays or Sabbaths, the Wheel of the Year is laid out as a traditional wooden wheel. Each pie-shaped section is a carved representation of a particular holiday. The Quarters: Yule, Ostara, Midsummer, and Mabon focus mainly on the movement of the sun and contain alchemical symbols for the seasons. Each of the Cross Quarters: Samhain, Imbolg, Beltane, Lughnasadh feature one of the four tools and portrays the transition of our relationship to the Earth as the year progresses. Zodiac signs depict the movements of the stars throughout the year and illustrate how they relate to the holidays.