Question: What is meant by hot keys?
Answer: A hot key is a key or a combination of keys on a computer keyboard when pressed performs a task. The specific task performed by a particular hot key varies by operating system or application. However, there are commonly-used hot keys. For example, pressing the F1 key in any application running Windows usually brings up a help menu. The "Alt + F4" combination results in closing the current application or, if no application is open, shutting down Windows.