The document discusses various martial arts including their origins, techniques, belt system, and use as competitive sports. It provides details such as karate, kung fu, and tae kwon do using kicks and punches while judo, jujitsu, and aikido employ holds and throws. Most martial arts originated in East Asia over 2,000 years ago with China being the source of kung fu and Korea for tae kwon do. Students progress through belt levels based on mastering new moves and skills.