Final answer:
Political party functions in campaigning include creating slogans, distributing bumper stickers, and motivating people to vote, which are all part of broader efforts like fundraising, recruiting candidates, and voter registration.
Step-by-step explanation:
Political parties engage in a range of activities to influence government policy and support their candidates during elections. One key function of these parties involves campaigning, which is where writing slogans, distributing bumper stickers, and encouraging people to vote on election day come into play. This type of campaign work is essential for the party's visibility and its ability to signal to voters which policies and ideals it represents, akin to how a brand operates. These activities form part of the broader efforts that political parties undertake which also include fundraising, recruiting candidates, and registering voters. Moreover, the political party platform is vital as it contains the party's ideological foundation and goals, which inform and influence the candidates' campaign messages.