Electoral College: An institution established by the United States Constitution that plays a crucial role in the presidential elections. Electors from each state vote for the president based on the popular vote in their respective states.
Recount: A process where votes are counted again to ensure accuracy or resolve disputes regarding the outcome of an election.
Hanging Chad: Refers to an issue with paper ballots in which a small piece of paper (chad) remains attached to the ballot after an attempt to punch it out. This became prominent during the controversial 2000 US presidential election between George W. Bush and Al Gore.