| description | position |
| In HoR: leader of the House of Representatives, called the 'presiding officer;' chosen by the members of the majority party in Congress. | |
| In HoR: known as the top assistant to the speaker, is in charge of planning the majority party's legislative program; chosen by party. | |
| In HoR: known as the leader of the minority party, is in charge of planning the minority party's legislative program; chosen by party. | |
| In HoR: known as assistant floor leaders, they watch how the majority or minority party members vote and 'whip' them into line. | |
| In HoR: Committee that serves as 'traffic officer' in the House, helping to direct the flow of major legislation. | |
| In Congress: the closed-door session held by the majority party to name the Speaker. | |
| In Senate: otherwise known as the President of the Senate. | |
| In Senate: Leader of the Senate when President is out (which is often); chosen from and by the members of the majority party. | |
| In Senate: elected floor leader, known as the most important officers of the Senate; chosen by the majority party. | |
| In Senate: elected floor leader, known as the most important officers of the Senate; chosen by the minority party. | |