The end user has particular and difficult-to-predict needs. The comfort level of the environment depends on the proper provision of these specific programs. [think of living, working, and playing needs of not only the nuclear families with or without children, but also single parent families -divorced or separated or by choice- gay and lesbian couples or families, elderly, single households, students, first, second or third generation immigrants with diverse ethnicities and different economical income levels and their collective forms. Combination of all these variables already elucidates the intricacy of the reality.] Thus, it is almost impossible for any designer to provide tailored solutions without being informed in advance. Even in the availability of precise databases, it is impracticable to try to mold this complexity.