1. Example of color pigment, wikipedia
2. Four Color Process Model, wikipedia
3. Pantone Matching System; wikimedia
4. Example of Pantone Matching System, National Geographic yellow rectangle, creative commons
5. Example of Pantone Matching System, McDonald’s yellow M; creative commons
6. Example of four color process, Alice in Wonderland image; zorger.com, public domain
7. Example of four color process, Georgia magazine cover; wikipedia
stands for the ink colors of cyan, magenta, yellow and black; These inks are what is known as "four color process" in the commercial printing industry. They are mixed on the printed page to produce the illusion of full color.
stands for Pantone Matching System [tm]; This system is used in the commercial printing industry to specify, match and mix flat color inks.
coloring matter, usually powdered, mixed with a liquid base in order to produce paint or ink.
the mixing of color with pigment; subtractive color is seen when light is absorbed or reflected by pigment.