There is no namespace name for all RSS elements.

The document element is 'rss' and contains a set of 'channel' elements:

<rss version="2.0">

<channel>
...
</channel>

<channel>
...
</channel>

</rss>

Every channel element must have:

• A 'title' element:

  <title>Center for Document Engineering</title>

• A 'link' element:

  <link>http://cde.berkeley.edu</link>

• A 'description' element:

  <description>The Center for Document Engineering is a cool place.</description>

Usually these elements precede the 'item' elements but order is not specified.

There are many other optional elements that can be added to a channel.