The contents of the XML definitions of an UI task are like boxes within boxes. First the outer box is defined and within it are smaller boxes which in turn may contain smaller boxes of their own. In XML language these 'boxes' are called elements.

The following figure depicts the XML file 'boxes' defining a UI task.

Figure 85: XML file 'boxes' defining a UI task

Parameters: Standard outer ‘box’

•Parameter: depending on the parameter the next level may be some settings or an outlook box

oOutlook: contains settings identifying the screen and defining the general layout and encloses the outlookparameters and components boxes

▪Outlookparameters: encloses the outlookparameter boxes

•Outlookparameter: mainly settings for showing tabs and function buttons

▪Components: encloses the component boxes

•Component: settings for defining default values and showing drop-down selection lists, check boxes, radio buttons, and other objects for user selections