Subway Coin is a term used to describe a TOKEN, which is a five-letter word. Tokens are typically used as a form of payment for public transportation systems, such as subways. Subway Coins are usually made of metal and have a unique design that can be used to identify them. They are also often used as a form of currency in some countries. Subway Coins are a convenient way to pay for public transportation, as they are easy to carry and can be used quickly.