The term 'OVER' is a four-letter word that can be used in many different contexts. In general, it means to be finished with something or to have completed a task. It can also mean to be above or higher than something else, or to be in control of a situation. It can also be used to describe a physical position, such as being on top of something or looking down from a higher place. In the context of a crossword puzzle, it could refer to any of these meanings.