The crossword solution for the term 'IT HAS ALL THE ANSWERS' is KEY, which is a three-letter word. KEY is a noun that refers to something that provides access or a means of opening a lock. It can also refer to a device used to operate a machine, such as a computer keyboard. Additionally, KEY can be used figuratively to mean something that is essential or fundamental to understanding or solving a problem. In this case, it could be interpreted to mean that the answer to any question can be found by using the right KEY.