The ram is used to describe the sign of Aries because it is always full of energy and life, always on the move, and always looking for a challenge. A typical Aries person is usually full of vitality and courage. They enjoys challenges, and can often be found excelling at sports and other competitive games. They will try anything if there is a chance to win. Many people who have the Sun in Aries, or perhaps some of the other planets in Aries, are natural leaders.