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 battalion is the smallest military organization capable of limited independent operations, in that the battalion is the lowest-level organizational unit containing an organic coordinating, or executive, staff (i.e., S-1, S-2, etc.) and a support and services unit (e.g., headquarters and headquarters company).