The document defines what a paragraph is and lists different types of paragraphs. A paragraph is a set of sentences that express an idea or argument. It has a topic sentence, supporting sentences, and concluding sentence. The types of paragraphs discussed include chronological, enumerative, descriptive, explanatory, expository, argumentative, narrative, comparative, causes and effects, deductive, and inductive paragraphs. Each type is defined, such as a chronological paragraph expressing the order of events or a descriptive paragraph representing characteristics of an object or person.