(1) The ability to change how objects on a personal computer look and work. For example, a user can tailor what objects are in a work area by creating, moving, or copying objects to the work area.
(2) The process of describing optional changes to defaults of a software program that is already installed on the system and configured so that it can be used. See also configuration.
(3) The process of designing a data processing installation or network to meet the requirements of particular users. Activities can include installing additional products, taking advantage of new software features and functions, and enabling or disabling optional features.
(4) The modification of a portal page or portlet by a user. WebSphere Portal enables a user to customize a portal page by modifying the page layout and by selecting which portlets will display per device. See also personalization.