Understanding Metaphors for Writing: In Defense of the Conduit Metaphor    

The Conduit Metaphor has been roundly condemned by language scholars, including scholars in rhetoric and composition, but it is time to reevaluate its import and value. Rather than simply asserting a mistaken view of linguistic communication, the Conduit Metaphor combines with the metaphor Language Is Power to form a prudentially applied ethical measure of discourses, genres, and texts.

Eubanks, Philip. CCC (2001). Articles>Rhetoric>Theory>Tropes