Grandmaster (martial arts) of "Dan" rankings and Black belt and Red belt in martial arts both derive from Judo where they were adopted by its founder Kanō Jigorō. There are many terms similar or equivalent to 'grandmaster' used by various martial arts traditions. Some of these terms derive from older systems, while others are relatively modern. Japanese martial arts commonly use Sensei (先生) meaning "teacher" or literally translated, "born first" or "one who has gone before". A "Sensei" is a person who has knowledge and is willing to teach that knowledge to another. A "Sensei" assists students in "ken shiki" "the pursuit of
Okinawan martial arts 手 in Japanese and Okinawan for "hand". "Te" often varied from one town to another, so to distinguish among the various types of "te", the word was often prefaced with its area of origin; for example, Naha-te, Shuri-te, or Tomari-te. Shuri-te, Naha-te and Tomari-te belong to a family of martial arts that were collectively defined as "Tode-jutsu" or "To-de." Karate ("Okinawa-te" or "Karate-jutsu") was systematically taught in Japan after the Taisho era (after 1926). is a pre-World War II term for a type of indigenous martial art to the area around Shuri, the old capital city of the Ryukyu Kingdom.