This document discusses rhetoric and the rhetorical triangle of ethos, pathos, and logos. It defines each element of the rhetorical triangle. Ethos refers to the credibility of the communicator, pathos refers to appealing to the emotions of the audience, and logos refers to using facts and data to support an argument. The document traces the origins of rhetoric back to Ancient Greece and Aristotle. It notes that while communication methods have changed, effective persuasion still relies on establishing ethos, appealing to pathos, and using logos.