The reading problem
Create signposts without making a letter feel mechanical.
A concrete example
A letter about a shared garden may cover the schedule, a request for tools, and a contact point. Three short headings can stop the request from hiding in a wall of prose.
Try this edit
Underline each change of subject. Give each part a plain heading such as “When we meet” or “What to bring.” Read just the headings: if they do not tell the story, rename them.
Proof on the page
Print or preview the garden letter and draw a horizontal rule where it switches from meeting times to requested tools. Add the heading “Tools we can share” immediately above that section, then repeat for the contact section. If a heading has only one short sentence below it, consider folding that sentence into the preceding paragraph instead. This keeps signposts useful rather than multiplying them.
Where the method stops
A private letter to one person may need a warmer flow than a public notice. Headings are not a requirement for every message. If the structure now feels like a form, remove one heading and use a transition sentence. The check is whether the recipient can still locate the action and reply details without rereading the whole letter.