A graphical device using a “single contoured object” to integrate a large number of separate variables The object is made of simple [[Humans use basic geometric icons to recognize objects|geons]] ![[1BE83B9F-3FE9-46DA-AE60-BE684667D97F.jpeg]] In experiments, people could identify substructures from this UML diagram faster and with less errors when they were represented with geons ![[F94A0F77-39B1-47BB-A3E8-7C93DABD8759.jpeg]]