Chord theory is the study of how chords are formed, how they function in music, and how they create harmony. It covers the construction of chords from scales, the roles of different chord types, and their progression within a song.

Triads: Major, Minor, Diminished, Augmented
Seventh Chords
Extended and Altered Chords
Chord Inversions
Chord Construction on the Fretboard

Guitar Theory

Chord Theory