Your "sign", which is usually referring to your "sun sign", is the astrological sign the sun was traveling through when you were born. The sun moves around through the signs in a circle in the sky, the zodiac wheel, remaining in each about 1 month. If your sign is Leo, for example, you were born while the sun was in the sign of Leo in the sky. But your sun sign is not the only sign that describes you. The other heavenly bodies were also somewhere important in the sky when you were born. Many people only know their sun sign because it is a prominent and important placement in a natal chart, but by no means does it stand on its own. The moon, the rest of the planets in the solar system and many other physical bodies and strategic mathematical points in the sky all work together to make up your personal astrology. Let's have a look at some of the basic pieces: