Definition: The back-end, also known as the server-side, is a crucial component of a software or web application that is responsible for managing and processing data, logic, and requests behind the scenes. It includes the server, database, and the components that ensure the functionality and performance of an application.Explanation: In the context of e-commerce, the back-end plays a vital role in supporting the online store's operations. It handles tasks such as managing product databases, processing customer orders, tracking inventory, and ensuring secure payment transactions. The back-end is responsible for maintaining the integrity of data, securing user information, and ensuring the overall functionality and responsiveness of an e-commerce website. While users interact with the front-end, which is the visible part of the website, the back-end operates behind the scenes, powering the core functionality and data management that enables e-commerce businesses to serve customers effectively and efficiently.