What should be used in lengthy correspondence that covers a range of topics?

Using paragraph headings in lengthy correspondence that covers a range of topics is essential for clarity and organization. Headings serve to break down the text into manageable sections, making it easier for the reader to navigate through the document. This is especially important in military correspondence, where effective communication is crucial.

Headings provide a clear structure, allowing the recipient to quickly locate specific information or topics of interest without having to read through the entire document. They act as signposts that guide the reader, making the correspondence more user-friendly. By delineating different sections, headings also help to emphasize the major points, ensuring that critical information is highlighted.

While bullet points, summaries, and footnotes all have their place in written communication, they do not provide the same level of structural assistance as paragraph headings do in lengthy documents. Bullet points are great for listing items concisely but may lack the context that headings provide. Summaries can condense information but may not cover all nuances necessary for understanding complex topics. Footnotes are useful for adding references or additional details but do not aid in the overall structural organization of the correspondence. Therefore, paragraph headings are the most effective choice in this context.