A paragraph is defined as “a group of sentences or a single sentence that forms a unit” (Lunsford and Connors 116). Length and appearance do not determine whether a section in a paper is a paragraph. ... Ultimately, a paragraph is a sentence or group of sentences that support one main idea.
A single event in a story is called an incident. A plot is a series of incidents while a climax is the highest point in which resolution usually begins.