Final answer:
In a caucus, party members engage in discussions and votes to select the best candidate for an upcoming election.
Step-by-step explanation:
In a caucus, party members select the best candidate through a series of discussions and votes. This process is typically used in political parties to determine a nominee for an upcoming election. The caucus allows members to express their opinions and debate the strengths and weaknesses of different candidates before making a decision. Ultimately, the goal is to choose a candidate who best represents the party's values and has the greatest chance of winning the election.