Amending Title 14 of the Philadelphia Code, entitled Zoning and Planning, by amending certain definitions relating to signs; creating an “Arena Area” within the “/CTR, Center City Overlay District” overlay; and making related changes, including a master plan requirement and changes to accessory sign controls; all in connection with zoning rules for a proposed arena in Center City; and approving a master plan for the Arena Area; all under certain terms and conditions.