The book is also known as The Book of the Elements, referring to the individual titles of the chapters, named after the five rings. The five rings are Ground, Water, Fire, Wind and the Void. Each ring represents a different aspect of strategy, and by mastering all five rings, it is supposed that you make yourself invincible in combat. Although to members of the Hyoho Niten Ichi-ryu it is merely a manual of technique and philosophy.
Ju no Kata teaches the theory of the skillful application of flexibility in order to defeat strength and it was developed to study how to lift up a body and understand the ways of different fighting methods.
Gono sen is a strategy, one of the three basic strategies, which can be loosely translated as ‘counter technique’.
One of the greatest swordsmen in Japanese history, Shinmen Musashi No Kami Fujiwara No Genshin, was born in the village of Miyamoto in 1584.