Before we embark on the how's and why's, it is important to define the difference between carpets and rugs. Douglas notes that the division mark is 6" x 9" with anything smaller than is considered a "rug" and anything larger than is considered a "carpet." A long narrow rug is called a "runner."
Even since the days of early human existence, mankind has shared an inexplicable need to decorate their humble abodes. From archaic cave drawings to complex hieroglyphs, beautifying the walls which surround us has become a part of human nature.
People can sometimes be timid or conservative when it comes to introducing colors to their interiors. The challenge is often how to introduce colors in a room and still maintain harmony, equilibrium, and visual interest.