![]() Discourse metaphors change both over time and across the discourses where they are used. ![]() ![]() The source concepts of discourse metaphors refer to phenomenologically salient real or fictitious objects that are part of interactional space (i.e., can be pointed at, like MACHINES or HOUSES) and/or occupy an important place in cultural imagination. Discourse metaphors are illustrated by case studies from three lines of research: on the cultural imprint of metaphors, on the negotiation of metaphors and on cross-linguistic occurrence. The article introduces the notion of discourse metaphor, relatively stable metaphorical mappings that function as a key framing device within a particular discourse over a certain period of time.
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