When the ketayuki (the distance between columns in the width direction) is one ken (1.8182 m) (the number of columns is two), it is called ikkensha-nagare-zukuri style, and when the distance is three kens (5.4546 m), it is called sangensha-nagare-zukuri style (the number of columns is four).
桁行（横に並んだ柱の間）が1間であれば（柱が2本）一間社流造、3間であれば（柱が4本）三間社流造という。