There are four components of visual communication:
Visual cues
Coordinate systems
Measurement scales
Visual context
Visual Cues
Visual cues draw the viewer’s eyes to relationships or specific parts of a chart. These include placement, lines, shapes, and color. Visual cues need to be effective to ensure perception accuracy.
The order of the most accurately perceived visual cues is as follows:
Position is the most accurate.
Line properties (length, angle, and direction).
Shape properties (area and volume).
Color properties, saturation ...
