XIV. Perspective

In art, perspective is used to create the illusion of three dimensions on a two-dimensional surface. It was the Renaissance artist Leon Battista Alberti and architect Filippo Brunelleschi in the fifteenth century who first started talking about “linear perspective,” the use of straight lines or lines created by light to understand the change from near […]

XI. Line

In geometry, a “point” is a single location. A “line” is an extension of a point, an elongated mark, a connection between two points or the edge of an object or situation. Artist Paul Klee said, “A line is a dot out for a walk.” Practically speaking, lines serve to define length, distance, and shape. […]