Rapid Application Development (RAD) is a business methodology that is used to create software applications in a shorter period of time. It is a process that focuses on rapid prototyping and iterative development. The goal of RAD is to produce high-quality applications in a shorter amount of time than traditional software development processes. It is an agile approach to software development that emphasizes speed, flexibility, and customer feedback. RAD is based on the idea that software should be developed quickly and iteratively, with a focus on customer feedback and continuous improvement. It also focuses on reusing existing components and using automated tools to speed up the development process. The end result is a product that is delivered faster and with fewer defects. RAD is an effective way to create software applications in a shorter period of time and with fewer defects.