The term 'Single or Double' can be broken down into four crossword solutions: BED (3 letters), HIT (3 letters), FILE (4 letters), and BASEHIT (7 letters). BED is a noun that refers to a piece of furniture used for sleeping, usually consisting of a mattress on a raised frame. HIT is a verb meaning to come into contact with forcefully, often with the intention of causing damage. FILE is a noun that refers to a folder containing documents or records, typically stored in a cabinet or on a computer. BASEHIT is a noun that refers to a HIT in baseball that allows the batter to reach first base safely.