Yaksa. A type of ghost which travels extremely quickly. Yaksas serve as messengers between various parts of the world because of their great speed.
Zen School. The word Zen comes from the Sanskrit "dhyana" (meditation). It was transcribed as Ch'an in Chinese and Zen in Japanese. A school of Mahayana Buddhism in China founded by Bodhidharma (6th Century). This school stresses the cultivation of intuitive wisdom. An extremely influential Buddhist school in East Asia.