Results from the hues of the spectrum.

Uses a system that requires expensive and energy-consuming equipment to operate electric water heaters and air conditioners. (Technically designed Solar Bldgs.)

As in the case of surfaces, which are painted or decorated by man.

Deals with shape, and when the figure is 3-dimensional, it becomes mass or volume we should proceed to design from the General (massing) to the Particular (detailing)

Areas of materials that enclose a building are of secondary importance to the masses that they create.

This refers to the quality of surface treatment, whether the material is rough or smooth.

So-called because it employs no sophisticated collector and no expensive technology to harness the sun's energy.

A variety in the use of gradation from black to gray to white and from dark to light.

The natural color of materials like stone, marble, or wood.

The drawing of similarities (usually visual) ,into the solution of one's design problems with buildings, with forms from nature, from painting and so on (a laboratory building from a microscope, chapel roof from a CRAB)