UR-Supplements on top of Common App?

<p>What types of supplements can I send to UR, besides a writing sample and resume?
I read here about linking electronic media, but I don't know where to do that...
<a href="http://enrollment.rochester.edu/apply/freshmen/"&gt;http://enrollment.rochester.edu/apply/freshmen/&lt;/a&gt;&lt;/p>