The document provides guidance on developing effective business writing skills. It discusses the importance of writing ability in business and outlines several key principles for good business writing, including using unity, emphasis, conciseness, clarity, completeness, accuracy and plain language. It also describes the three main stages of the writing process - pre-writing, free-writing, and re-writing - and provides tips for clear sentences and paragraphs through techniques like using familiar words, short sentences, concrete language and active voice.