A holistic view of man, building, and the environment is recognized as one of the goals of architecture; the basic goal is a change in traditional architectural design methods, which from another perspective is called transition to performance-oriented design*. This approach in arch itectural design, i.e. in a planned process, the variety of design issues with a functional and applied approach has a more complex aspect and due to the wide dimensions, compliance with all building rules and regulations has been of greater importance. In this research, using Delphi technique-fuzzy methods-and interviews with expert elites, among various examples of the architectural buildings of Contemporary West, 20 index buildings were selected and evaluated qualitatively using a purposive sampling method. There is a relationship between performance and architectural form.The relationship between the concept of form and function is discussed and finally, the relationship between the function of form is described descriptively. Technical and economic factors have also been considered to limit the realization of buildings. The findings of this study give architectural designers the freedom to relate function to form. But the most important research finding is the meaning and concept of architecture, which should be reflected in the expression of the designed form that will be called an exemplary model for all users and designers of the present and future. تفاصيل المقالة