[...] a set of rules introducing boundaries into syntactic structures. Matthews describes this third set of rules [...] as demarcating "words"; but he also says that the way strings are divided into "words" can diverge considerably from the surface constituent structure. Thus it is clear that this third set of rules, intervening between the transformational and phonological components, comprises that have come to be known as READJUSTMENT RULES, creating "phonological words" rather than the words of ordinary morphology.
- Zwicky (2004), a pag.368