Open chord shapes. Open chord shapes refers to chord shapes that have open strings in their voicing of them. And really, it only boils down to five different chords. An easy way to remember it is by the word caged, C-A-G-E-D. And those are your five basic open chords. C, A, G, E, And D.
This might not be the most musical sound, or chord progression, but I'll play you the caged chords in a finger style manner. [playing guitar] So that's a good example of the open chord shapes, and how you might finger pick them.