Should know about Triad

Do not ever forget about the Triad, because the Triad is the basic tones that make up chords.

Strong knowledge of the Triad can provide facilities to learn the next level in playing guitar.

This is another example of the Triad:

D tone, F# tone and tone of A , creating a basic chord, referred to as D or D Major

G tone, B tone and tone of D , creating a basic chord, referred to as G or G Major

Look at both images below!