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 accounts. Simply put, a service account is often described as any account that does not correspond to an actual person. These are often built-in accounts that services use to access resources they need to perform their activities.