A First-Past-the-Post (FPTP) electoral system is a voting method where the candidate with the most votes in a single-member district wins the election. This system does not require the winner to achieve a majority of the votes, only a plurality.
Constituency-Based Voting: Canadian federal elections
First-Past-the-Post (FPTP): United Kingdom general elections
Single-Member District Plurality: U.S. House of Representatives elections