Cách sử dụng
The word 'controller' is used to refer to a person or a device that manages or controls something. It is often used in the context of technology or machines, like a video game controller, a TV remote controller, or a traffic controller. It can also be used to refer to a person who oversees or manages a system or organization, like a financial controller or a traffic controller at an airport. Overall, the word 'controller' is used to describe something or someone that has the power to manage or direct something.