A schematic mathematical illustration showing the relationships between or properties of mathematical objects.
See also Alternating Knot Diagram, Argand Diagram, Coxeter-Dynkin Diagram, de Bruijn Diagram, Dynkin Diagram, Ferrers Diagram, Hasse Diagram, Heegaard Diagram, Knot Diagram, Link Diagram, Stem-and-Leaf Diagram, Venn Diagram, Voronoi Diagram, Young Diagram