Bugei - (martial arts) - The classical martial arts as originally practiced during the age of the samurai. The bugei are still maintained in a minor way for historical and aesthetic purposes. Practically speaking, the bugei are synonymous with the bujutsu.
Bugeisha - A practitioner of the bugei
Bujutsu - (martial arts) The classical martial arts of Japan, also called the bugei. The bujutsu include kenjutsu (sword art), sojutsu (the art of the spear), bojutsu (the art of the staff), and a variety of martially oriented disciplines. The bujutsu are distinguished from the budo by their more ancient roots and by their emphasis on actual combat.
Bushi - Another name for the samurai, or warrior of feudal Japan
Bushi damashi (warrior spirit) The emotional essence of the martial arts, demonstrated through simplicity in everyday life, rigorous training, and constant reflection on one's progress. Bushi damashi is expressed by kindness and benevolence as well as through courage.
Budo - The collective way for the "martial ways". The primary empasis of budo is the character development of practitioners. Evolving from teh bugei at the end of the feudal era, the modern budo include judo, karate-do, aikido, kendo and kyudo.
Bushido - Literally, the "way of the warrior". Bushido is the samurai philosophy- a loosely defined system of values and concepts sometimes honored, sometimes not, during feudal Japan.
Nakaima - The idea in Japanese thought that current generations are one link in the continuing chain of human existence. According to the principles of nakaima, to be grateful for the efforts of previous generations is best demonstrated by being responsible for the well-being of those that will follow.
Ninja- Practitioners of the art of ninjutsu, the craft of assassination, terrorism, and espionage in feudal Japan. There were two varieties of ninja - samurai who specialized in ninjutsu ( a part of many bugei ryu), and the more common variety...ordinary criminals -most grossly sensationalized. In historical reality, the ninja played a mysterious political role in the establishment of many feudal dynasties, and area of Japanese history that remains little explored.