Tutorial
RSS stands for Really Simple Syndication.
By allowing your "teaser content" to be picked up by other sites, this feature is an excellent way to get traffic to your site.
Publish your site's articles in an RSS feed that others can subscribe to.
Send outgoing headlines and articles from your site to outside sites that request they "receive" your content. Other sites can "subscribe" to your feed by adding the link from your feed file to their feed reader. The feed will show as many articles that you have set as active and have the RSS option enabled.
To make content available to sites that pull from your site:
The RSS feed option is added when adding or editing a cotent page Content Pages Add or Edit Page
RSS Page
Under the 'Advanced' section, choose 'RSS Page' from the drop down menu.
Active Status
Under the 'Settings' section, the 'Status' has to be set to 'Active'