What are some common 3 note guitar chords and how can they be used in playing music?

Some common 3-note guitar chords are major, minor, and suspended chords. These chords can be used in playing music to create harmony and add depth to a song. Major chords have a happy and stable sound, minor chords have a sad or melancholic sound, and suspended chords create tension and a sense of anticipation. By incorporating these chords into chord progressions, Guitarists can create different moods and emotions in their music.