Quantitative computational design tools and the rational philosophy behind them contribute a broad vision of architecture ontology and methodology. Software and programming establish a foundation for contemporary architectural design rigorously and efficiently. Furthermore, the triad of design sensibility, architectural ethics, and technical analysis creates a new horizon about how important the understanding of communicative rationality is in the discipline of architecture. Communicative Rationality between human beings can establish a larger scale of understanding for approaching the stereotypical opposition between rationality and sensibility. Abstract