Definition-first writing is a content approach in which a term, concept, or topic is defined clearly and completely at the start of the piece or section, bef…
Definition-first writing is a content approach in which a term, concept, or topic is defined clearly and completely at the start of the piece or section, before any elaboration, context, or application. The definition precedes the explanation.
When a user asks an AI system “what is X,” the system often generates an answer to that question directly, frequently leveraging retrieved content. Definition-first writing ensures the answer is available in the first sentence or paragraph, not buried after three paragraphs of background. For glossaries, explainers, and educational content specifically, definition-first structure is one important formatting decision among many for AI citation eligibility.