Developing a Web Dynpro Application Using the Execution Modeler 
You use this procedure to develop Web Dynpro applications in a simple manner using interactive graphical tools, drag and drop features, and wizards.
The default modeling environment available in Web Dynpro is known as Web Dynpro Classic. However, you need to enable the Simplified Modeling environment to use Execution Modeler. The Execution Modeler enables you to develop Web Dynpro applications quickly. The key tasks involved in developing a Web Dynpro application using Execution Modeler are as below: