In everyday settings, collections of objects often look coherent, not because they have been composed, but because a coherent, living process has occurred amongst them -
Tracks left by animals in snow
Ant's nest patterns
Table after meal
When we arrange things deliberately we commonly resort to simple pattens - a circle, a square, a line, a pile, various forms of symmetry, things at right angles to each other... Arrangements that emerge through a living process tend not to lend themselves to such overall descriptions.