The City Council may by ordinance prescribe and define the duties, powers and responsibilities of any and all departments and officers of the city. The City Council shall have the power and authority and it shall be its duty to provide the different city officers and departments with such help and assistance as may be necessary or proper for the efficient and orderly conduct of the business and affairs of the city and to each office and department thereof. Where no salary or compensation is provided by this Charter for any officer or department, the City Council shall have power to fix such salary or compensation and to provide the same.