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: Focus on one key point per paragraph. Ensure every sentence is "relevant" and avoid off-topic details (e.g., if writing about a specific subject's traits, do not drift into talking about their family members).

For a standard academic essay, you can follow this layout recommended by university writing centers:

: Identify the topic and the "controlling idea" to ensure your response stays on track.

: Summarize your main findings and restate your final position.

: Each paragraph must focus on a single main idea. Use the rule of unity to ensure every sentence directly supports your topic sentence.