The twelve signs each have a distinctive symbol and meaning.  Horoscopes are done based on the signs and houses.  The signs are Aries, Taurus, Gemini, Cancer, Leo, Virgo, Libra, Scorpio, Sagittarius, Capricorn, Aquarius and Pisces.  Each sign is ruled by one of the lights or planets.  The lights are the Sun and Moon and the planets are Mercury, Venus, Mars, Jupiter, Saturn, Uranus, Neptune and Pluto.  Each has its own distinct symbol and symbolic meaning..  All are explained on the U watch – U learn Astrology DVDs