The document discusses the integration of Drupal 7 with schema.org for enhancing structured data in HTML, emphasizing its benefits for search engines like Google, Yahoo, and Bing. It covers various syntaxes such as microformats, RDFa, and microdata, and provides examples of rich snippets and their implementations. Additionally, it highlights the schema.org module for Drupal, which allows users to map content types to schema terms without coding.