down

This link relation is defined in http://tools.ietf.org/html/draft-divilly-atom-hierarchy-03.

It is used by the Content Store web service to represent hierarchical relationships. A section's subsection's, for example, are represented by down links. You can navigate down through a publication's section hierarchy by simply following down links. You can also use down links to navigate down a tag hierarchy.

The following example shows a link of this type:

<entry>
  ...
  <link xmlns:thr="http://purl.org/syndication/thread/1.0"
        rel="down" 
        href="http://host-ip-address/webservice/escenic/section/3461/subsections" 
        type="application/atom+xml"
        thr:count="number-of-entries"/>   
  ...
</entry>

The count attribute is defined in RFC 4685. If present, it specifies the number of entries that will be returned by following the link.