Air Signs:
Gemini, Libra, Aquarius. People with lots of air are analytical; they are able to resolve and draw conclusions. Those with little air have trouble with abstractions and ideas -- getting the "big picture."

Cardinal Signs:
Aries, Cancer, Libra, Capricorn. People with a heavy emphasis in cardinal signs are self-starters, doers. They initiate and get things moving. Folks with few planets in cardinal signs may have trouble getting the ball rolling.

Earth Signs:
Taurus, Virgo, Capricorn. People with lots of earth are very practical. They can see how to do and use things. Those with little earth can't be objective, aren't grounded or practical.

Fire Signs:
Aries, Leo, Sagittarius. People with lots of fire in their chart are very active and involved and "can do" all kinds of things. Those with little fire can't get started and may need someone to light a fire under them.