A good paragraph develops one idea: it opens with a topic sentence, supports it with detail, and links to what comes next. That single-idea rule is the whole secret — when a paragraph tries to do two things, it does neither well.
The basic structure
- Topic sentence. State the paragraph’s one idea up front. The reader should know what this paragraph is about from the first line.
- Supporting sentences. Back the idea with evidence, examples, explanation, or detail — usually two to four sentences.
- Concluding or linking sentence. Wrap up the point or bridge to the next paragraph so the writing flows.
Example
Remote work changed how teams communicate. (topic) Without hallway chats, decisions now happen in writing, where they’re easier to track but slower to reach. (support) Teams that adapted built clear written habits; those that didn’t drowned in meetings. (support) That shift toward writing is why clear prose matters more than ever. (link)
How long should a paragraph be?
Long enough to develop the idea, short enough to stay readable — often three to five sentences. On the web, shorter is friendlier. A paragraph that fills the whole screen is a signal to split it; the readability checker helps you spot the dense ones.
One idea per paragraph
The most common paragraph mistake is cramming in several ideas. If you can’t summarize a paragraph in one short phrase, it’s probably two paragraphs. Start a new one each time the subject shifts.
Connect your paragraphs
Paragraphs shouldn’t feel like islands. Use transition words and linking sentences so each paragraph leads naturally to the next.
Polish it
Once the structure is right, tighten the wording: the paraphraser helps a clumsy topic sentence land, and the grammar checker catches the slips. Get the one-idea structure right first — everything else is refinement.
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