Local elections vary widely across jurisdictions. In electoral system that roughly follow the Westminster model, a terminology has evolved with roles such as Mayor or Warden to describe the executive of a city, town or region, although the actual means of elections vary.
A clerk is a senior official of many municipal governments in the English-speaking world. In some communities, the position is elected, but in many others, the clerk is appointed to their post.
A Chief of Police, also known as Police Chief or sometimes shortened to just Chief, is the title typically given to the top official in the chain of command of a police department, particularly in North America.