 He discusses them in particular ways in his book "A Grammar of Motives".Whereas Roman Jakobson argued that the fundamental dichotomy in trope was between metaphor and metonymy, Burke claims that the fundamental dichotomy is between irony and synecdoche, which he also describes as the dichotomy between dialectic and representation, or again between reduction and perspective.In addition to its use in everyday speech, metonymy is a figure of speech in some poetry and in much rhetoric.