The term 'WEBSITE WITH A 'BUY IT NOW' OPTION' can be summarized as the online marketplace eBay, which is a four-letter word. eBay is an American multinational e-commerce corporation based in San Jose, California that facilitates consumer-to-consumer and business-to-consumer sales through its website. It was founded in 1995 and became one of the most popular websites in the world, allowing users to buy and sell items with a 'Buy It Now' option.