What kinds of chords are there?

Trichord, seventh chord, ninth chord, eleventh chord, thirteenth chord.

Chords are regular and divided, and there are no specific numbers.

Wherein each chord is superimposed according to a three-degree relationship, the triad is three tones, the seventh chord is four tones, the ninth chord is five tones, the eleventh chord is six tones, and the thirteenth chord is seven tones.