Complex sentence: The business use of the module of the XML sitemap module is to create a sitemap which is an XML file that lists URLs for a site along with additional metadata about each URL so that search engines can more intelligently crawl the site.
Split into simpler sentences: The business use of the module of the XML sitemap module is to create a sitemap which is an XML file that lists URLs for a site along with additional metadata about each URL. Sitemap is an XML file that lists URLs for a site along with additional metadata about each URL so that search engines can more intelligently crawl the site.