A paragraph is a group of related sentences that develops a single main idea. Paragraphs are differentiated from other fragments by having a first line indent and capitalizing the first word. There are several types of paragraphs including argumentative, descriptive, narrative, comparative, chronological, cause-effect, deductive, and inductive paragraphs. The concluding paragraph types are in conclusion and closing paragraphs, which express the closing of a topic by rounding up the general idea and providing a summary.