That is the four sects that were the mainstream of Jodo Shu after Shinku's death, Seizan-gi of Shoku, Chinzei-gi of Bencho who was patronized by the Kusano clan in Kyushu, Chorakuji-gi of Ryukan who spread Tanen-gi in Eastern area after exile there, Kuhonji-gi of Chosei who taught Shogyohongan-gi against Shoku in Kyoto.
すなわち、信空の没後、京都の浄土宗の主流となった証空の西山義、九州の草野氏の庇護を受けた弁長の鎮西義、東国への流刑を機に却って同地で多念義を広めた隆寛の長楽寺義、京都で証空に対抗して所業本願義を説いた長西の九品寺義の4派を指す。