The spatial property of the way in which something is placed WordNet 3.0 & Open English WordNet

In discrete geometry, an arrangement is the decomposition of the d-dimensional linear, affine, or projective space into connected cells of different dimensions, induced by a finite collection of geometric objects, which are usually of dimension one less than the dimension of the space, and often of the same type as each other, such as hyperplanes or spheres. Wikipedia

A partition of the space by a set of objects of a certain type Wikipedia Disambiguation