What is the difference between process and PMS color?

PMS Color:

PMS color stands for Pantone Matching System. It is used for printing spot colors as they are printed by using the extraordinary ink. The printing is indicated dependent on its Pantone number or name inside a shading graph. It permits the colors to show up exactly as expected once printed rather than how they show up on a PC screen.

Process Color:

Process color also is known as CMYK. CMYK stands for four colors Cyan, Magenta, Yellow, and Black. These four colors are very important in the printing process by mixing these colors together and give rise to other colors which are used in printing. It is the most common type of which is used in the printing and packaging industry.