Structure long documents in three disclosure layers

When documenting information longer than one page, structure it in three disclosure layers: single-sentence summary (Layer 1), paragraph-per-section abstracts (Layer 2), and full detail (Layer 3), with each layer independently meaningful.

When This Fires

Writing any document longer than one page (RFCs, reports, proposals, documentation)
When a document serves readers at different organizational levels
Before sharing written analysis that may be read at varying depths
When a document "feels too long" for some readers but "not detailed enough" for others

Common Failure Mode

Writing Layer 1 as a table of contents rather than a summary: "This document covers: background, analysis, recommendations, timeline." That's structure, not content. Layer 1 must contain the answer: "This document recommends X because Y, at cost Z, with implementation by W."

The Protocol

For documents exceeding one page: (1) Write the full content (Layer 3) first. (2) For each section, write a one-paragraph abstract (Layer 2). (3) Write a single-sentence summary of the entire document (Layer 1). (4) Structure the document: Layer 1 at the top, Layer 2 below it (or as section headers), Layer 3 as the body. (5) Verify independence: can a reader stop at Layer 1 and have the essential message? At Layer 2 and have the structural overview? Each layer works on its own.