Marketplaces refer to platforms that bring together buyers and sellers to facilitate transactions. They provide a virtual storefront for multiple sellers to list and sell their products or services to a broad customer base. Marketplaces typically offer a range of features to facilitate transactions, including product listing tools, payment processing, and logistics services. Examples of eCommerce marketplaces include Amazon, eBay, and Alibaba. Marketplaces offer many advantages for businesses, including increased visibility, access to a wider customer base, and streamlined processes for managing transactions.