Watch the Overview of Triad Positions online guitar lesson by Matthieu Brandt from Guitar Lab: Triads and Hendrixian Double Stops

Position two contains the exact same shapes of the triads and extended triads as position one. Because the function of the chords within the key is different, you'll chose your extensions accordingly. All major and minor triads within the key can be found very close to each other, no matter what the position is.