Lesson from General CHOI. Forms, patterns, or tuls, are the core of taekwon-do. Each form has its own fundamental techniques and beauty. The beauty of fluid movements can be seen through the performance of forms. The art of taekwon-do can be seen in the forms, in their performance and practice. Taekwon-do is the art of self-defense, and art means beauty. Beauty is expressed in the movement of the body during the performance of forms. Those who judge forms must be outstanding experts in this fiel