The document provides guidance on organizing the main body of an essay. It discusses four types of linear relationships for organizing an essay: chronological, process, cyclic process, and cause-effect. It also briefly mentions two other patterns: spatial relationships and comparison/contrast. The document aims to explain these different patterns to help students learn how to structure the central part of an essay in an organized and coherent manner. It includes examples and practice exercises related to chronological and process patterns of organization.