The pentagram, or five-pointed star, has been in existence for thousands of years. Over that time, it has had many meanings, uses, and depictions associated with it.
The most common symbol of Unitarian Universalism (UU) is a flaming chalice within two circles. This symbol, and the components which make up the symbol, can represent different ideas to different people.
Neopagan faiths such as Wicca are influenced by cultures that were largely illiterate and/or by occult beliefs that stress the value of symbology. As such, visual symbols are often an important part of a neopagan's spiritual path. Visit the Paganism / Wicca Guide Site for information on symbols associated with a variety of neopagan religions.