Compartmentalized is a term used to describe when certain areas are separated into distinct sections. When describing this type of organizational structure, other terms such as segmented, divided, sectioned, categorized, and split could be used. Each of these words brings a slightly different connotation to the meaning of compartmentalized. For example, segmented implies that something has been broken down into smaller pieces. Divided usually means an object or plan has been split up into parts. Sectioned is simply a more specific type of divided, whereas categorized refers to arranging things into distinct groups or categories. Finally, split can mean to create different sections or also divide something into pieces.