Long description

Step 1: A request is made from browser window to server

Step 2: The server recognizes that the request necessitates running a program on the server

Step 3: This program will often interact with other resources on the server, such as a database or services on other computers

Step 4: Server program generates HTML that will be sent back to browser window

Step 5: Web Browser displays page based on HTML and other resources requested within it

Web Browser steps are labeled Front End. Server and database activities are labeled Back End.