Human relationship. If you can speak with people and make them at ease, they will trust you more, you will feel better and the chances will be greater that the job you do will turn out well for all concerned. Environment influences values. Design interiors to make people feel at ease even if they are waiting for their turn.

The architecture of a folk is evolved and modified by ideas and imitation. Architecture is building with which people have identified themselves given its significance like stairs never stopping on the 3rd count or oro, plata, mata, no exit door or window direct to a main door opening.

It is the keenness, sharpness, or acuteness of perception or vision. The most important feature of a shape of an object is its general outline or contour.

This is a false interpretation by the mind of a sense perception. An example is when shown to lines, you see one as shorter and one larger, but upon measuring it, they are the same. Another are two perfect parallel lines, but when combined with diagonal lines, it will appear either to be wider or thinner at the middle.

It is the process by which we organize and interpret the patterns of stimuli in our environment. The immediate intuitive recognition as of an aesthetic quality.