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 Italy zen monastery Ensoji il Cerchio, founded and guided by the zen master Testugen Serra; in Pomaia, the Tibetan Buddhism finds one of the biggest center in Europe, the Lama Tzong Khapa Institute. The Vajrayana Buddhism is represented, among others, by the centers of the Diamond Way Buddhism of the Kagyu school, spread in almost all the Italian regions. Even the Japanese Buddhist school founded by Nichiren Daishonin sees in the UBI his representance: the temple of the Nichiren Shu Renkoji, in Cereseto, near Novara, guided by the master Shoryo Tarabini, and the association Nipponzan Myohonji, which provided to the grounding