E-commerce websites are online platforms that allow businesses and consumers to buy and sell products or services over the internet. These sites provide a virtual storefront where users can browse items, read descriptions, and make purchases using various payment methods. Popular examples of e-commerce websites include Amazon, eBay, and Etsy. These websites often feature user-friendly interfaces, shopping carts, and secure payment gateways to enhance the shopping experience. They may also include customer reviews, product recommendations, and promotional offers to attract and retain customers. E-commerce has transformed the way people shop, making it more convenient and accessible.