| Compact scanning and sufficient meaning | Put common references once, while preserving their reach to every answer. |
| Reuse and particular subjects | Make the places for binding actual subjects and descriptions unambiguous. |
| Simple answers and real uncertainty | Provide a way to express unresolved or inapplicable questions where they occur. |
| Local convenience and shared interpretation | A split view retains the associations needed by another participant. |
| Nearby help and reading burden | Explain a difficult distinction where it is used; avoid copying entire manuals. |