You use a JSP element to store a path to a JSP. When rendered
within a presentation template or element design, a request to a JSP
is generated and processed.
Creating a JSP component
You create a JSP component when you want to reuse a section
of JSP in multiple places in your website.
Adding a JSP element to an item
You add a JSP element to a site area or content item when
you want a section of JSP to be used for a specific site area or content
item.
Adding a JSP element to a template
You add a JSP element to an authoring template when you
want the JSP element to be used by a set of items that use the same
authoring template.