An e-commerce website is an online platform that allows businesses to sell products or services over the internet. It enables customers to browse through products, add items to a shopping cart, and complete transactions securely using various payment methods. E-commerce websites often include features such as product catalogs, search functionality, user accounts, shopping carts, payment gateways, and order management systems. These sites are designed to facilitate smooth and convenient online shopping experiences for customers while providing businesses with opportunities to reach a wider audience and increase sales.