This document defines business language and provides guidelines for its effective use. It discusses that business language should be positive, polite, fair, and complete. It also evaluates business language based on the "7Cs" - clarity, completeness, conciseness, correctness, concreteness, consideration, and courtesy. The document analyzes examples of business language for positivity, limiting client information, and politeness. It provides tips for writing clearly, using active voice, action verbs, transition words, and avoiding regional slang.