This research is an analytic study about the aestheticism and impact of Arab calligraphy on architecture and enriching the interior space through intellectual and religious factors and principles. It also deals with the relationship between the Arab calligraphy and plastic elements, such as decorative, geometric and floral elements and stalactites as well, which have had a clear role in interior and exterior architecture. The Functionalities and cotemporary aesthetic of such elements have been studied, as they are basic and alphabetical elements of plastic arts with a very important organic function as to keep the local identity. This study also sheds light on modern architectural experiences and various collection of the use of handwriting in new ways, while maintaining a special sense that keeps link with the ancient creative heritage.