What are the roles of the majority and minority leaders in the Senate? How are these leaders chosen?

The Senate Republican and Democratic floor leaders are elected by the members of their party in the Senate at the beginning of each Congress. Depending on which party is in power, one serves as majority leader and the other as minority leader. The leaders serve as spokespersons for their party's positions on issues.

i am confused, what is the question? i can you out if you put it into more depth.

answer; john locke;