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.
SERVICE NAME AND DESCRIPTION. SERVICE DEFINITION. Direct service and services to meet regulatory requirements and/or contract conditions provided in home and community settings to assist individuals in acquiring, retaining, and improving self-help, socialization and adaptive skills. For the most part, these services differ only with respect to setting or regulatory requirements.