An e-commerce website is a website that enables businesses to sell products or services online. It allows customers to browse, select, and purchase products or services directly from the website. E-commerce websites can range from simple online stores that sell a few products to complex marketplaces with thousands of products from multiple vendors.

Some common features of an e-commerce website include:

1. Product listings: A list of products or services that are available for purchase, including product descriptions, images, and pricing.
2. Shopping cart: A feature that enables customers to select products they want to buy and add them to their shopping cart.
3. Checkout process: A process for customers to enter their payment and shipping information and complete the purchase.
4. Payment processing: An integration with a payment gateway to securely process payments from customers.
5. Order management: A feature that allows businesses to manage and fulfill customer orders, including tracking and shipping information.
6. Customer accounts: A feature that enables customers to create and manage their own accounts, view their order history, and save payment and shipping information for future purchases.
7. Search functionality: A search feature that allows customers to search for products based on keywords or filters.
8. Reviews and ratings: A feature that allows customers to leave reviews and ratings for products they have purchased, which can help inform other customers’ purchasing decisions.

Overall, an e-commerce website is an essential tool for businesses looking to sell products or services online. It provides a convenient and accessible way for customers to shop and purchase products and can help businesses expand their reach and grow their sales.