This document discusses the basics of planning business messages and following an effective writing process. It emphasizes that business writing should be purposeful, persuasive, economical, and audience-oriented. The writing process involves analyzing the purpose and channel, profiling the audience, developing the message to suit the audience using techniques like a "you" view, positive and inclusive language, and familiar words. Business language can range from unprofessional to conversational to formal, and should generally adopt a courteous and plain style.