Colors can be measured and quantified in various ways; indeed, a person's perception of colors is a subjective process whereby the brain responds to the stimuli that are produced when incoming light reacts with the several types of cone cells in the eye.
unit of service. unit of service. any individual, family, aggregate, organization, or community given nursing care. The level at which service is delivered varies with the particular unit entity.
A base unit is a unit which does not depend on any other unit or which is independent. It is also known as a fundamental unit and the unit which is derived from the fundamental unit is known as derived unit. A base unit is a unit which does not depend on any other unit or which is independent.