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
Japanese martial arts naginatajutsu) on both sides of the divide. , meaning "traditional school", or "old school", refers specifically to schools of martial arts, originating in Japan, either prior to the beginning of the Meiji Restoration in 1868, or the "Haitōrei" edict in 1876. In modern usage, , meaning military art/science, is typified by its practical application of technique to real-world or battlefield situations. The term also is used generally to indicate that a particular style or art is "traditional", rather than "modern". However, what it means for an art to be either "traditional" or "modern" is subject to some debate. As a