Flow of the Stones
Flow of the stones is a metaphor for natural, harmonious development of play, by both players, that is suitable for the position.
This example comes from the New Fuseki era, 1934. In Now I would play this way (Ima nara kou utsu), Go Seigen comments on this game.
does not extend too far because of Black's center (). welcomes an invasion, also because of his center, which will provide support for an attack in that case.