Distance (距) is counted by the foot (足), but closeness (近) is decided by the will to advance (辶) Thus, to connect & grow close (近) to one another, mustn't one first approach? & what initiates approach, if not the stirring of the Heart (心)? Thus, even if 相手 distances themselves across infinity, 自分's 心 easily reaches them & the form (形) that heart's conveyed through's w/ Martial Arts (形)