The municipal government provided by this Charter shall be known as Council-Manager Government. Pursuant to its provisions and subject only to the limitations imposed by the State Constitution, applicable laws of the State of Arizona and by this Charter, all powers of the City shall be vested in an elective Council, hereinafter referred to as "the Council," which shall enact local legislation, adopt budgets, determine policies, and appoint the City Manager and such other officers deemed necessary and proper for the orderly government and administration of the affairs of the City, as prescribed by the Constitution and laws of the State of Arizona, and ordinances hereafter adopted by the City. All powers of the City shall be exercised in the manner prescribed by this Charter, or if they be not prescribed, then in such manner as may be prescribed by ordinance.