Hidden Comment Documents the JSP page but is not sent to the client. Declaration Declares a variable or method valid in the scripting language used in the page.
Expression Contains an expression valid in the scripting language used in the page.
Scriptlet Contains a code fragment valid in the scripting language used in the page. Include Directive Includes a file of text or code when the JSP page is translated. Page Directive Defines attributes that apply to an entire JSP page. Taglib Directive Defines a tag library and prefix for the custom tags used in the JSP page. Forwards a client request to an HTML file, JSP file, or servlet for processing.