What are the different ways to play 4 note chords on the guitar?

There are several ways to play 4-note chords on the guitar, including using barre chords, open chords, and fingerstyle techniques. Barre chords involve using one finger to press down multiple strings across the fretboard. Open chords use a combination of open strings and fretted notes to create a chord. Fingerstyle techniques involve plucking individual strings with your fingers to play the chord notes.