The craft of suggesting a non-existent third dimension through the use of lights positioned to emphasize Modeling. Tips: Keep subjects well away from backgrounds; Back Light, Rim Light, and Background Light will usually do the job; so will a good Dolly shot. Quote: I like to rely on tonal separation rather than just relying on the color to separate it . . . if you can incorporate the right use of color with tonal separation, you get a greater perspective in composition, a greater depth. - Billy Williams [ML]tiffaneduglossary
Three separate black and white master positives made from one color negative; one contains the red record, another the green record, and the third the blue record.