The Content Management packages are used for managing and building web
pages and
content, including sections, pages, templates, libraries, and
revisions.  They form an inheritance stack, which each layer
inheriting from the layers below:<br>
<ul>
  <li>Section</li>
  <li>Page</li>
  <li>Content</li>
  <li>ContentData</li>
  <li>ContentBase</li>
</ul>
<br>