During elections, political parties fire up their turnout machines to get loyal voters to the polls to support party-endorsed candidates. This is because is critical to electoral victory.

The victory of the election critically depends on turnout of the electorate.

Explanation:

There is a saying that politics is a game of numbers. If a political party has a large number of supporters and they fail to come out on the day of election to exercise their franchise such political party may not record victory even though they have highest number of supporters.

In lieu of the above, many political parties on election day provide adequate logistics such as transportation and light refreshment to make sure their loyalist/supporters come out to vote.