The term 'Boards Up' can be summarized by the crossword solution 'Shuts'. This term is often used to describe the act of closing a business or shop for the day, usually by covering the windows and doors with boards. It is also used to refer to the act of closing a building or structure for safety reasons, such as during a natural disaster. In either case, the term 'Boards Up' implies that the building or shop is closed and secure.