Dhyāna in Buddhism the Japanese Rinzai school, but it also occurs in other schools or branches of Zen depending on the teaching line. The Zen student's mastery of a given kōan is presented to the teacher in a private interview (referred to in Japanese as "dokusan" (独参), "daisan" (代参), or "sanzen" (参禅)). While there is no unique answer to a kōan, practitioners are expected to demonstrate their understanding of the kōan and of Zen through their responses. The teacher may approve or disapprove of the answer and guide the student in the right direction. The interaction with a Zen teacher is central in
Faith in Buddhism of Buddhist theory and practice. This development led to the devotion movement of Pure Land Buddhism, whereas in Zen Buddhism it led to the emphasis of seeking the Buddha Nature within oneself. Terms for faith that are primarily used in Mahāyāna Buddhism are "Xin" (Chinese) and "shin" (Japanese): these terms can refer to trust, but also an unquestioned acceptance of the object of one's devotion. They are also used, as it is in Chan and Zen Buddhism, with regard to a confidence that the Buddha nature ("tathāgatagarbha") is hidden within one's mind, and can be found as one suspends the