Opening paragraph. Hook the reader in the first two sentences. A specific image, a small story, or a precise claim works better than a vague one.
Second paragraph builds the stakes. Why does this matter? What problem are you about to address?
First section heading
Body. Concrete examples beat abstractions every time. Name things, places, prices, times.
Second section heading
More body.
A pull-quote works well to break up long sections.
Continuing.
Final section
Land the piece. Tell the reader what to do with this, or leave them with the image you opened on.