Arrangement of parts or elements. The form, as of a figure, determined by the arrangement of its parts or elements. See Synonyms at form. Psychology Gestalt. Chemistry The structural arrangement of atoms in a compound or molecule. Computer Science The way in which a computer system is set up: changed the configuration by resetting the parameters. Computer Science The set of constituent components, such as memory, a hard disk, a monitor, and an operating system, that make up a computer system. Computer Science The way that the components of a computer network are connected.