DD-S2 stands for Downtown Design-Support 1 zone. A fuller description of this zoning can be found in [Article 4.5](http://www.codepublishing.com/NC/Durham/#!/4.5.html#4.5) Additional information about these zones can be found in [Article 16](http://www.codepublishing.com/NC/Durham/#!/16.html#16)
Allowable uses for this district can be found in [Article 5.1](http://www.codepublishing.com/NC/Durham/#!/5.1.html#5.1)