Meta tags - Webmasters/Site owners Help
http://www.google.com/support/webmasters/bin/answer.py?answer=79812

Meta tags are a great way for webmasters to provide search engines with information about their sites. Meta tags can be used to provide information to all sorts of clients, and each system processes o

google seo tips

Meta tags - Webmasters/Site owners Help

Google meta tag use information