The term 'HANG DOWN' can be described in four different ways, each of which is a solution to a crossword puzzle. The first solution is 'FLAG', which is a four-letter word that describes a piece of fabric attached to a pole or rope and used as a symbol or signal. The second solution is 'DROOP', which is a five-letter word that means to hang down limply or heavily. The third solution is 'SAG', which is a three-letter word that means to DROOP or bend downward from the weight of something. The fourth solution is 'SUBSIDE', which is a seven-letter word that means to become less intense or to gradually decrease in size or intensity. All of these words describe the action of hanging down in some way.