an xml document (or series of documents) which lists every page on your site that you want Google to know about
an XML file in a special Sitemap format which contains a list of all of the pages of your Web site, and additional information about each page
an XML file in the Sitemap format which contains a list of all pages of your Web site, and additional information such as the last-modified date, and how frequently they change
an XML file that lists URLs for a site
an XML file that uses the Sitemap protocol
a very simple XML document that lists all the pages in
a XML file located on the root of your site