The document discusses the seven C's of effective communication: completeness, conciseness, consideration, concreteness, clarity, courtesy, and correctness. It provides guidelines for each C, such as answering the five W's to ensure completeness, only including relevant information to be concise, focusing on the receiver's benefits to show consideration, using specific facts and figures to be concrete, choosing precise and familiar words for clarity, being tactful and thoughtful to demonstrate courtesy, and checking accuracy and using the proper level of language for correctness. The seven C's provide principles for creating effective messages in business communication.