is city ordinance a specialized government system

City ordinance is not a specialized government system itself, but rather a set of laws and regulations specific to a particular city or municipality. City ordinances are created and enforced by local government officials to regulate and govern various aspects of city life, such as zoning, parking, noise levels, and building codes. City ordinances are a part of the broader system of local government and are designed to meet the specific needs and characteristics of a particular city or town.