B is B, D♯ and F♯ — the 1, 3 and 5 of B. The five CAGED shapes above are the open-chord forms moved up the neck, in the order they appear; ‹ › walk them. Root, major 3rd, perfect 5th — the most consonant chord About the major triad →
Also written B maj triad, B major chord, B maj chord, Bmajor and Bmaj.