sentences:  It has the legislative power to enact ordinances for the county; it has the executive power to oversee the executive operations of county government; and it has quasi-judicial power with regard to certain limited matters (such as hearing appeals from the planning commission if one exists).In many states, several important officials are elected separately from the board of commissioners or supervisors and cannot be fired by the board.These positions may include county clerk, county treasurer, county surrogate, sheriff, and others.