The <item> element is where you link to and describe the update on your site.
The RSS <item> is where updates are show. It is kind of like a headline for an article. <item> elements are created every time there is an update on your site that you would like displayed in your RSS feed.
There are many optional <item> elements, but either the <title> or the <description> are required.
- should include the <title>, <link> and <description> elements.
The first element is your news item's title.This give short description of your site and also your RSS feed.