According to another aspect of the invention, there is provided a data carrier signal operable to instruct a computer displaying a relational diagram on a display, whereon at least one view of the relational diagram is larger than an available viewing area provided by the display, to perform a process comprising detecting a predetermined action performed on a first element of the relational diagram; determining one or more relevant elements associated with the first element; and modifying a view of the relational diagram to display the first element and the one or more relevant elements on the screen.

According to another aspect of the invention, there is provided a computer system operable to display a relational diagram on a display, wherein at least one view of the relational diagram is larger than an available viewing area provided by the display. The computer system comprises detection means operable to detect a predetermined action performed on a first element of the relational diagram; determination mean operable to determine one or more relevant elements associated with the first element; and view modification means operable to modify a view of the relational diagram to display the first element and the one or more relevant elements on the screen.