Reproduction of this graphic in any form is expressly forbidden, and will result in legal prosecution. One of the first lessons in Shamanism, Taoism, Wicca, and many other esoteric philosophies is that all things in the universe are inter-connected.
Nothing is complete by itself.
The 4 smaller circles also represent the 4 compass points - North, East, South, and West. The Spanish called this the Ojo de Dios, and believed that this symbol would ward off evil and bring protection. The North is also the realm of Wisdom, Ritual, Sacred Knowledge, and Patience. The Yin Yang symbolizes the perfect merging of opposites that creates the whole, and reminds us that without one half, the other cannot exist. The Eastern position is the realm of Philosophy, Illumination, Perception, Divination, and Creativity.