E-commerce is the online method of performing commercial transactions and selling goods or services using management information systems (MIS). It consists of different components and procedures, including online storefronts, electronic payment systems, supply chain management, inventory management, customer relationship management, and data analytics. MIS is concerned with automating and streamlining company processes such as order processing, inventory management, and customer service. E-commerce systems interface with other information systems, such as ERP and CRM, to enable smooth data flow and operations.