In the Secretary of the Commonwealth, further providing for powers and duties of the Secretary of the Commonwealth and for explanation of ballot question and providing for wording of ballot question; in dates of elections and primaries and special elections, further providing for elections on proposed constitutional amendments; in ballots, further providing for form of official election ballot; in voting machines, further providing for form of ballot labels on voting machines; and, in preparation for and conduct of primaries and elections, further providing for publishing constitutional amendments.