Dhyāna in Buddhism "silent illumination." This became the source of some differences in practice between the Línjì and Cáodòng schools. A kōan, literally "public case", is a story or dialogue, describing an interaction between a Zen master and a student. These anecdotes give a demonstration of the master's insight. Koans emphasize the non-conceptional insight that the Buddhist teachings are pointing to. Koans can be used to provoke the "great doubt", and test a student's progress in Zen practice. Kōan-inquiry may be practiced during zazen (sitting meditation), kinhin (walking meditation), and throughout all the activities of daily life. Kōan practice is particularly emphasized by
Zen organisation and institutions According to Bodiford, "Zen is the predominant form of Buddhism because of dharma transmission": Bodiford distinguishes seven dimension which are discernible in both family relationships and in dharma lineages: The family-model is easier recognized when East Asian languages are being used, because the same terminology is used to describe both earthly and spiritual family relations. In Soto, dharma transmission establishes a lifelong relation between teacher and student. To qualify as a Zen priest, further training is required. In Rinzai, the most common form of transmission is the acknowledgement that one has stayed in the monastery for a certain amount of