party organization
A specific political party's leaders and workers at the national, state, and local levels.
party in government
The group of officeholders who belong to a specific political party and were elected as candidates of that party.
party in the electorate
The group of citizens who identify with a specific political party.
party system
Periods in which the names of the major political parties, their supporters, and the issues dividing them have remained relatively stable.
party principle
The idea that a political party exists as an organization distinct from its elected officials or party leaders.
spoils system
The practice of rewarding party supporters with benefits like federal government positions.
political machine
An unofficial patronage system within a political party that seeks to gain political power and government contracts, jobs, and other benefits for party leaders, workers, and supporters.
realignment
A change in the size or composition of the party coalitions or in the nature of the issues that divide the parties. Realignments typically occur within an election cycle or two, but they can also occur gradually over the course of a decade or longer.
national committee
An American political party's principal organization, comprising party representatives from each state.
political action committee (PAC)
An interest group or a division of an interest group that can raise money to contribute to campaigns or to spend on ads in support of candidates. The amount a PAC can receive from each of its donors and the amount it can spend on federal electioneering are strictly limited.
527 organization
A tax-exempt group formed primarily to influence elections through voter mobilization efforts and issue ads that do not directly endorse or oppose a candidate. Unlike political action committees, they are not subject to contribution limits and spending caps.
caucus (congressional)
The organization of Democrats within the House and Senate that meets to discuss and debate the party's positions on various issues in order to reach a consensus and to assign leadership positions.
conference
The organization of Republicans within the House and Senate that meets to discuss and debate the party's positions on various issues in order to reach a consensus and to assign leadership positions.
party identification (party ID)
A citizen's loyalty to a specific political party.
party coalitions
The groups that identify with a political party, usually described in demographic terms such as African- American Democrats or evangelical Republicans.
primary election
A ballot vote in which citizens select a party's nominee for the general election.
caucus (electoral)
A local meeting in which party members select a party's nominee for the general election.
nominating convention
A meeting held by each party every four years at which states' delegates select the party's presidential and vice-presidential nominees and approve the party platform.
party platform
A set of objectives outlining the party's issue positions and priorities. Candidates are not required to support their party's platform.
unified government
A situation in which one party holds a majority of seats in the House and Senate and the president is a member of that same party.
divided government
A situation in which the House, Senate, and presidency are not controlled by the same party—for example, when Democrats hold the majority of House and Senate seats, and the president is a Republican.
Duverger's law
The principle that in a democracy with single-member districts and plurality voting, only two parties' candidates will have a realistic chance of winning political office, as in the United States.
single-member districts
An electoral system in which every elected official represents a geographically defined area, such as a state or congressional district, and each area elects one representative.
plurality voting
A voting system in which the candidate who receives the most votes within a geographic area wins the election, regardless of whether that candidate wins a majority (more than half) of the votes.