圓頓觀
Từ Điển Thuật Ngữ Phật Học Hán Ngữ
(圓頓止觀) as given in the 摩訶止觀 is the concentration, or mental state, in which is perceived, at one and the same time, the unity in the diversity and the diversity in the unity, a method ascribed by Tiantai to the Lotus Sūtra; v. above.