"Quality of Life" and "Health Outcomes" and other terms referring to the physical, mental and emotional effects experienced by people as they encounter health challenges are in wide use and misuse in the health care and health research community. Many of these terms are used interchangeably without recognizing that they have completely different meanings and, thus, require different measurement approaches and different types of interventions if they are to be optimized. The notion of creating a "dictionary" of these terms arose so that novices and experts, researchers and clinicians, can...