Don't forget other modalities. E.g. Size: effort estimate Number of edges to the shape: depth of dependencies. Brightness: size of dependencies. Hue: .

Don't forget other modalities. E.g. Size: effort estimate Number of edges to the shape: depth of dependencies. Brightness: size of dependencies. Hue: ...tbd... Border (double/triple/dashed): ...tbd... Font size: ...tbd...