(or spatial succession). an essential relationship…established when two neighboring though separate elements are ranged one before the other (p 7). In the perceptual realm there is one relation in particualar, of which order contitutes a fundamental part. This is the relation of symmetry, represented in the simplest case by the double order -- CBA/ABC -- whose role is well known in the construction of 'good configurations'...such as a face (p 7-8).
