Digital representation methods have had a significant impact in the advance of architectural visualizations.Nowadays,  digital representations of space either in the form of design or as an image form a substantial piece of a complete architectural survey.The software as well as the general methodology play an important role not only in creating but also in marketing architectural ideas.This research focuses on digital images ( renderings ) and investigates the different types in comparison with the creation process (workflow).The findings of the research are being validated through a case study whilst useful conclusions are being made. 

Initiating with a short historical review of architectural visualizations through time, this research attempts to examine the most prevalent contemporary ways of representations through analyzing their technical aspect.Taking under consideration the above findings, an ideal 3D scene was selected in order to representante the different styles.In this way , through the case study , not only it will be feasible for us to compare them but also the workflow will be cleared out.In the end, follow the findings and conclusions of this procedure .