Before you can build Web server applications using WebSnap, you must first understand the fundamental components used in WebSnap development. They fall into three categories:

• Web modules, which contain the components that make up the application and define pages
• Adapters, which provide an interface between HTML pages and the Web server application itself
• Page producers, which contain the routines that create the HTML pages to be served to the end user

The following sections examine each type of component in more detail.