Web design is the process of creating websites. It encompasses several different aspects, including webpage layout, content production, and graphic design.
App Development
Mobile app development is the act or process by which a mobile app is developed for mobile devices, such as personal digital assistants, enterprise digital assistants or mobile phones UI
Web Application
Web development broadly refers to the tasks associated with developing websites for hosting via intranet or internet. The web development process includes web design, web content development