Are we done?' is a question that is often asked when someone has completed a task or project. It is a way of checking to make sure that all the necessary steps have been taken and that the job is finished. The crossword solution for this term is 'ARE', which is a three-letter word meaning 'to exist' or 'to be'. Therefore, the full phrase 'ARE WE DONE?' can be interpreted as asking if the task or project is complete and finished.