Is a "Device" in electrical terms limited to just one function?

In electrical terminology, a "Device" is not limited to a single function. It can perform multiple tasks, which may include modifying energy, controlling processes, and supporting the overall operation of electrical systems. For instance, a device could be a switch that not only controls the flow of electricity but could also include features such as monitoring energy usage or integrating with smart systems. This multi-functionality allows devices to play essential roles in ensuring efficient and effective electrical systems, making them versatile components within various applications. Such capabilities demonstrate that devices can go beyond mere energy transmission or modification, thereby fulfilling broader purposes in electrical engineering and practical applications.