The term 'PART OF A CHORD' can be solved in a crossword puzzle with the answers NOTE (4 letters) and TONE (3 letters). A NOTE is a musical sound that is produced by a particular instrument or voice. It is one of the basic elements of music and is used to create melodies, harmonies, and rhythms. A TONE is a specific pitch or frequency of a NOTE. It is an important part of a chord, which is a combination of two or more notes played together.