The 4th in this case is G, the 4th of the D major scale. The G replaces the 3rd (F#), meaning sus chords are neither major nor minor; it’s all about which chord you resolve to afterwards (that ...

All the chords built on other notes in the scale of C are minor, except chord VII - the notes ... For example, G7 is made by taking the major triad of G (G - B - D) and adding an F (G - B ...