Name the reader’s next task
A feature description explains what a tool contains. A learning document helps a person do something with it. Begin with a concrete task and a reader who has a defined starting point.
For example, “understand the API” is difficult to review. “Create a valid request and explain the error response” gives the writer a clear sequence and the reviewer an observable result.
Make prerequisites visible
List the knowledge, access, files, and environment that the example assumes. A missing permission or an unexplained term can stop the reader before the central idea has even appeared.
Keep prerequisites separate from the main sequence so a returning reader can check them quickly. Where setup is substantial, link to a dedicated guide rather than repeating it in every tutorial.
Use one example with a reason to exist
Choose an example that resembles the reader’s task without bringing in unnecessary complexity. Explain why each step happens, the result it should produce, and how to recognize a problem.
A screenshot can orient the reader, but important instructions must also exist as text. Clear headings and meaningful structure help people scan, navigate with assistive technology, and return to the step they need.
Ask a question that tests transfer
After the worked example, change one meaningful condition. Ask the reader to predict the result or complete a related task. This reveals whether the explanation taught a principle or only a sequence of clicks.
The practice task should use concepts already introduced. Surprising the learner with an unexplained dependency tests their prior knowledge rather than the quality of the material.
Review accuracy and comprehension separately
A subject-matter reviewer can verify technical correctness. A reader closer to the intended audience can reveal where the sequence is confusing. Both perspectives are useful, and neither replaces the other.
Record which software version or source material the document describes and who should update it. A clear guide can become misleading when the product changes around it. Treat maintenance as part of the writing scope.
Reference: W3C WAI: Page structure tutorial. This note offers a design approach; it is not a claim of a measured client outcome.