Secondaries with the Pros - The Art and Technique of Digital Color Correction - page 239

effects, windows, keys, masks. That stuff is always secondary to me.
It's always after I have it balanced and I have an idea of where I'm
going and what we're doing.
Fig. 6.53 Scene after secondary correction, reconstructed from watching a videotape of the session.
Fig. 6.54 The data from the reconstructed primary correction.