The word "kuden" has extended its meaning from the above 1, to mean that a master of traditional performance art or martial art orally teaches his or her disciples, the esoteric knowledge or secret techniques unique to each school of the art.
1から転じて、伝統芸能や武道などの芸道において、師匠が弟子に流派の奥義や秘伝を口伝えに教授すること。