Abstract: A method for implementing a software application by shifting all the definition of an application into data, which need not be translated to code to be run, which is run by code which remains the same from application to application.

Abstract: An apparatus and method for operating a graphic user interface in a windowing operating system. A value representing a mapping of logical inches to real measurement units is determined from information stored in the operating system. A physical size in real measurement units of a display device is determined. A user viewing the display device is asked to identify a displayed graphic image having a preselected dimension in real measurement units. A plurality of graphic objects are displayed, where each of the graphic objects have a different size. The user viewing the plurality of graphic object is asked to select one of the graphic objects. The size of the selected graphic object is saved as a first user-defined size.