Except as otherwise specifically provided in this Charter, all powers of government and control of the Municipality shall be vested in an elective Council which shall constitute the governing body of the Municipality and shall enact ordinances and resolutions and exercise all legislative power and executive authority, including the determination of general policies, now or hereafter vested in municipal officials by law and in the Council by this Charter. The Council shall consist of seven members, elected at large on a nonpartisan ballot, for four year overlapping terms.