Discrete mean parts, concepts or forms that are separate, distinct and disconnected. It also means independent and in mathematics it refers to a set of values that is finite and countable. For more information, look here: The four types of paragraphs are the narrative, descriptive, persuasive and expository. The narrative tells the story and the persuasive helps to influence others to take your position and opinion. The descriptive paragraphs are used to show or describe a thing, person or place and the expository paragraphs are used to explain and inform facts.