The document discusses the key components of a well-organized paragraph: a topic sentence that introduces the topic and controlling idea, supporting sentences that provide examples, details and explanations to develop the controlling idea, and a concluding sentence that restates the main point. Specifically, it explains that the topic sentence contains the topic and controlling idea to set the scope and focus of the paragraph, while supporting sentences elaborate on this main point through specific evidence and the concluding sentence wraps up the key details.