What's repomd.xml?

dE <[email protected]> Sat, 22 Feb 2014 12:50:22 +0530
Newsgroups gmane.linux.rpm.yum
Message-ID <[email protected]>
 From what it looks like, it provides the location of various package 
indexes in the mirror/repository, however the man page says --

"a list of mirrors"

But I dont see a link to any set of server/mirrors.