👉 In programming, a "headless" application is one that runs without requiring any graphical user interface (GUI) or other graphical elements to interact with its functionality. This means that the GUI components are not visible and cannot be manipulated by users. For example, a web browser may have a closed-source version of Firefox that does not display any menu options or tabs, making it easier for developers to create headless applications without needing an external GUI. Headless applications can be useful in scenarios where user interaction