The term 'LOW NUMBER' can be broken down into three crossword solutions: ONE (3 letters), MINIMUM (7 letters), and SADSONG (7 letters). The term 'LOW NUMBER' can refer to a variety of things, such as a small quantity, a low score, or a sad song. The solution ONE could refer to the number ONE, which is the lowest number in the counting system. The solution MINIMUM could refer to the lowest possible amount or degree of something. Finally, the solution SADSONG could refer to a song with a slow tempo and melancholic lyrics.