DO - the way of karate. KAI - group. Hence, a group who practice the way of karate. The Red in the seal is the fire that not only inspires but drives the DO to learn.
Fire is so important in our life.
Fire is energy. It is the heat for emotion, the greatest driving force in our lives. A force that has to be controlled. The color Red in the seal represents the positive force of man. The White in the seal is the conscious desire that people strive for.