👉 The term "chord" is often used in music theory and composition. In simple terms, a chord is a musical element that joins two or more chords together to create a larger scale. Chords can be classified into major, minor, chromatic, diminished, augmented, and seventh chords. For example: - A major chord (7th note) joins the 7th note of the major key with the 3rd note of another key. - A minor chord (2nd note