"Jakobson stresses that to properly understand th workings of parallelism, one must study the inter-relationships of the component features within the context of the entire poem: Pervasive parallelism inevitably activates all the levels of language -- the distinctive features, inherent and prosotic, the morphological and syntactic categories and forms, the lexical units and their semantic classes in both their convergences and divergences acquire and autonomours poetic value"--Introduction.