A marketplace is a platform or space where buyers and sellers come together to engage in buying and selling of goods and services. It can be a physical location such as a shopping mall or a flea market, or an online platform such as Amazon or eBay. Marketplaces provide a convenient way for buyers to access a variety of products and services in one place, and for sellers to reach a large audience of potential customers.

In a marketplace, sellers list their products or services for sale, and buyers browse the listings and make purchases. The marketplace typically takes a commission or fee for facilitating the transaction. Marketplaces can vary in terms of their focus, with some specializing in specific products or services, while others are generalist and offer a wide range of goods and services.

Marketplaces can be beneficial for both buyers and sellers. Buyers can access a wide variety of products and services at competitive prices, while sellers can reach a large audience of potential customers and benefit from the marketplace's marketing and promotion efforts. Additionally, marketplaces can provide a level of security and trust for buyers and sellers, as they often have systems in place to handle disputes and ensure fair transactions.