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Examples work best when they turn an abstract idea into a situation readers can inspect, compare, and remember. In education, technical writing, and public communication, a strong case should match the audience’s knowledge while revealing the principle behind it. In a worked example, test results should include enough context to show why an outcome follows, rather than presenting an isolated number. Comparable cases clarify boundaries: one may demonstrate the standard rule, while another shows how a changed condition produces a different conclusion. Editors should distinguish illustration from proof, since one instance can explain a concept without showing that it applies universally. Used carefully, examples improve understanding without replacing definitions, data, or sound reasoning.