This document provides information about writing paragraphs. It defines what a paragraph is as a group of related sentences that develop a single main idea. The first sentence of a paragraph typically declares the main topic and the rest of the sentences support that idea. A paragraph is also part of a longer composition made up of several paragraphs. The document then discusses the components of a good paragraph including unity, support, coherence, and good language. It provides examples and tips for writing topic sentences, supporting sentences, and concluding sentences. Overall, the document serves as a guide for understanding the basic structure and elements of a well-written paragraph.