The Action-Modifier-Object-Attribute (AMOA) classification of user-oriented functions

This paper discusses the rationale for and the development of the Action-Modifier-Object-Attribute classification of user-oriented functions. The AMOA classification combines the benefits of an open, expandable theoretical organization of functions with the benefits of an existing taxonomy based on extensive empirical research findings. The resulting AMOA hierarchy can be used to design highly (functionally) integrated user-oriented systems as well as common user interfaces (and user interface management systems) for a variety of different types of applications.