345 / | HD | COMPUTER GRAPHICS PROCESSING, OPERATOR INTERFACE PROCESSING, AND SELECTIVE VISUAL DISPLAY SYSTEMS |
326 | DF | OPERATOR INTERFACE {6} |
339 | DF | .~ On-screen workspace or object {6} |
348 | DF | .~.~ Icon {1} |
349 | DF | .~.~.~ Metaphoric icon object {2} |
351 | .~.~.~.~ Office layout (e.g., filing cabinet, desk) |