UC-2 stands for University and College-2 zone. A fuller description of this zoning can be found in Article 4.4 of the Unified Development Ordinance (UDO), which can be found at this link: http://www.codepublishing.com/NC/Durham/#!/4.4.html#4.4. . Additional information about UC-2 zones can be found in Article 6.11 of the UDO at this link:http://www.codepublishing.com/NC/Durham/#!/6.11.html#6.11.
Allowable uses for this district can be found in [Article 5.1](http://www.codepublishing.com/NC/Durham/#!/5.1.html#5.1)