1. C Major 7th Chord Tree

(Ionian / Lydian / Lydian Augmented)

Please take your time to look this C Major 7th Chord Tree over, it may be confusing at first but all the info about major chord varieties are included.
Follow the red chord type numbers (a to d) and text to the right. It contains chord tones (1/3/5) and chord symbols. I have not included all symbols due to lack of space. After your chord-journey so far you should be able to follow the content easily.

Color codes for chord trees
C Major Chord Tree