 Deleuze and Guattari’s refusal to recognize that their work contains metaphors is due to their struggle against the “imperialism” of the signifying regime, a major theme in both Anti-Oedipus and A Thousand Plateaus: not every relation between different intellectual fields can be grasped by the most common notions of “metaphor,” reliant as they are on the notion of a transfer of sense from primary to secondary signification.