What to preserve when turning a long PDF into short explanatory content

Shortening a long PDF is not merely deleting sentences. It is the work of rearranging information that readers must not lose. If length becomes the only target, a conclusion may survive while its conditions and sources disappear. Start by separating what readers should decide from the short version and what they should verify in the original.

Keep the main claim with its conditions

Do not isolate a product benefit or report conclusion from the scope that defines it. Keep the audience, period, assumptions, and exceptions close to the claim. When a short format cannot carry those details, introduce the point without overstatement and link to the relevant part of the source.

Preserve units and baselines around numbers

A large standalone number easily loses its comparison and measurement date. Show the unit, period, sample or scope, and source together. Instead of shrinking a complex table until it becomes unreadable, explain the relationship readers need and provide a path to the detailed table.

Provide a route back to the original

A summary, slide sequence, or short video may not replace the source. Keep the document title, latest revision date, original link, and contact point visible. When several derivatives exist, confirm that they all point to the same controlled source.

Preservation checklist before publishing

• Are required conditions and exceptions close to each key claim?
• Do figures retain units, periods, baselines, and sources?
• Did the short version create a stronger conclusion than the original?
• Can readers reopen the current source version?
• Is the next action clear and singular?

The formats presented by Feat AI Viewer are directions for adapting a document to a reading context. They do not guarantee a fixed length or comprehension result, so a person should review every derivative against this preservation list.