Three dimensional graphical user interface representative of a physical work space

A user interface comprising:

• data stored within memory, comprising;
• first data at least indicative of a three dimensional virtual environment and relating locations within the three dimensional virtual environment, and application data relating to at least one of a plurality of software applications for execution by a processor,
• a first input device for receiving user input signals and for providing first control signals to the processor, the first input device for providing data indicative of at least a change in the viewpoint of the user;
• and,
• a first display for providing to the user an image generated by one of the plurality of software applications associated with a portion of the three dimensional virtual environment, the portion of the three dimensional virtual environment determined in dependence upon the first control signals and including at least one graphical representation;
• wherein first data associated with a graphical representation provide corresponding application data to be accessed, said application data retrieved in dependence upon the graphical representation and the location of the graphical representation.