The acronym "B2C" in e-commerce means Business-to-Consumer. This model involves transactions between businesses and individual consumers, typically through an online platform. B2C encompasses various activities, including online retail, marketing, and customer service. It allows companies to directly reach their end customers, enhancing their ability to sell products and services effectively while also providing personalized shopping experiences. B2C has become increasingly popular due to the rise of the digital economy and consumer familiarity with online purchasing.