plain-languagelisted

# ISO 24495-1:2023 (Plain Language) ISO 24495-1 defines plain language as communication a reader can find, understand, and use on the first read. It is organized around **four governing principles**. A document is plain when it serves all four for its intended readers — clarity of a single sentence is not enough if the reader can't find it or act on it. **Audience and purpose are prerequisites.** Principle 1 depends on knowing who the readers are and what they need to do. If Shane hasn't told you the audience or purpose, **ask before drafting** — you cannot apply the standard without them. ## Principle 1 — Readers get what they need - Identify the readers and their needs before writing. State the assumptions you're making about both. - Include only information relevant to the readers' purpose. Cut what they don't need, however true. - Present information in the order **readers will use it** — task order, not the author's logical or legal order. - Use examples and visuals where they aid comprehension more than prose would. ## Principle 2 — Readers can understand - Write clear, direct sentences. Prefer active voice. Vary sentence length but keep the average short (~15–20 words). - Choose words readers know. Avoid jargon unless you define it. Prefer concrete over abstract. - **Kill nominalisations** — verbs frozen into nouns. "make a decision" → "decide"; "provide assistance" → "help"; "give consideration to" → "consider." - Use one term for one concept, consistently. Don'