A software application’s backend refers to its server side, such as its website or system.
This part of an app or website handles data processing, database administration, security, and business logic – these features interact directly with users through its interface: frontend (client side of an app that users directly interact with), while its backend stores and retrieves information, processes user requests, executes core functionality of an application’s core features such as databases or external APIs – in turn delivering this data or service directly into its frontend for users’ direct use by its frontend user-side user-interaction: frontend/backend//