Visual variable (Cartography 🗺️)

A visual variable, in cartographic design, graphic design, and data visualization, is an aspect of a graphical object that can visually differentiate it from other objects, and can be controlled during the design process. The concept was first systematized by Jacques Bertin, a French cartographer and graphic designer, and published in his 1967...

https://en.wikipedia.org/wiki/Visual_variable

#VisualVariable #Cartography #GraphicDesign #InformationVisualization