What is the difference between Web application and Client Server Application?

Client Server application is distributed on at least two systems, Client and Server where client has visual pages like input forms, validation for valid data before sending requests to server and output pages as response from server. Server has all business logic, database storage where request received from client machines are responded back after processing through logic and database tables, procedures. Client Server applications require LAN connection and Database Drivers so that they are connected whenever request is sent forresponse. SomeExamples areATM machine, Banking software, and Stock Trading etc.
Web application are built in one server with all front end files, back end and processing logic placed on single web server, various technologies such as HTML or ASP with JavaScript or JS libraries are used for front end design, whereas back end storage and processing is done on server in class files and DB procedures and tables. web application are accessed using web browser, hence it require internet in
addition to web application files placed on web server. Examples of web applications are Amazon, Flipkart and Snapdeal online portal, Gmail, Saavn online music streaming services