The municipal government provided by this charter shall be known as the council anager form of government. Pursuant to its provisions and subject only to the limitations imposed by the Vermont Constitution and by this charter, all powers of the Town shall be vested in an elective Council, which shall be known as the Board of Selectmen, which shall enact ordinances, codes, and regulations, propose budgets, determine policies, and appoint the Town Manager, who shall execute the laws and administer the government of the Town. All powers of the Town shall be exercised in the manners prescribed by this charter or prescribed by ordinance.