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
Buddhism in Slovakia Slovakia. Buddhism in Slovakia Buddhism is not officially recognized as a religion in Slovakia. The 2001 census findings included Buddhism under "other religions," so the total number of Buddhists is not known. Various Buddhist schools, including all three traditional vehicles (Theravada, Mahayana and Vajrayana), are active as either informal groups or civil associations. Theravada is represented by groups of vipassana practitioners. Several Zen schools, including disciples of Sando Kaisen and the Korean Kwan Um School, represent the Mahayana. Vajrayana schools include Nyingma practitioners following Namkai Norbu Rinpoche. The Diamond Way organisation founded and directed by Ole Nydahl is also active