This document provides guidance on effective communication through language and style. It discusses three main aspects: voice, style and vocabulary, and rhetoric. Voice refers to elements like rhythm, speed, pitch, and pauses. Style depends on factors like sex and culture. Effective rhetoric uses techniques like comparison, metaphor, personification, hyperbole, and antithesis to engage the audience. The document advises tailoring one's language and style to the context and audience, and emphasizes clarity, concision, and avoiding cliches or tricks.