In New York City, the term "subway" refers to the massive, 24/7 rapid transit system operated by the MTA New York City Transit, which primarily serves the five boroughs (Manhattan, Brooklyn, Queens, the Bronx, and Staten Island). It is characterized by its uniform fare (currently $2.90), high frequency, and "tap-to-pay" OMNY system. In contrast, the "train" (or commuter rail) refers to the Long Island Rail Road (LIRR) and Metro-North Railroad, which are designed to carry passengers from the city center to the surrounding suburbs in Long Island, Westchester, Connecticut, and New Jersey (via NJ Transit). These "trains" operate on a schedule, utilize distance-based "zone" pricing, and offer a more comfortable, "seated" environment compared to the standing-room-only nature of the subway. While the subway is the "veins" of the city, the commuter trains are the "arteries" that connect the broader tri-state area. Knowing the difference is crucial for navigating, as a "subway" ticket will not work on an LIRR train, even if they both depart from the same massive hub like Grand Central or Penn Station.