spaces into clusters or zones that identify various spaces to be placed in close prox- imity for convenience and functionality. A basic example of residential zoning is the relationship of the kitchen to the dining room, pantry and garage or carport. These

spaces are generally grouped together in a zone of the house to provide convenient circulation for the acquisition and storage of groceries, preparation and serving of meals, and the storage of cookware and dinnerware.

     After establishing internal and external zones of the house, the next task in the residential planning process is to order priorities for location of the most important spaces. To accomplish this, spaces should be ranked in order of priority, beginning with the most important and ending with the least significant area. Since each space is part of a zone, the conceptual design layout is affected not only by the location of