With visual layout, you draw your readers' attention to information they need to know. Headings attract your readers' attention to important information. They help readers find their way through a document and locate important points. Pack each heading with lots of information. On the other hand, headings should not be so long that they overwhelm the material in the section itself.
Short sections look easier to read and understand.
Long sections can appear difficult and forbidding, even before someone tries to read them. Include only one issue in each designated paragraph Limiting each paragraph to one issue gives the document a clean appearance and contributes to the impression that it is easy to read and understand. By presenting only one issue in each designated paragraph, you can use informative headings that reflect the entire issue covered by the paragraph. Use vertical lists Vertical lists highlight a series of requirements or other information in a visually clear way. Use vertical lists to help your reader focus on important material.