It is important to define and use terms1 accurately and consistently. Careless and ignorant usage can lead to ambiguity, confusion, misinformation, and misdiagnosis to name a few issues.
Confucius, in The Analects, said “If names be not correct, language is not in accordance with the truth of things.”
It is our goal to be accurate and consistent.
1 term, noun: A word or phrase used to describe a thing or to express a concept, especially in a particular kind of language or branch of study. oxforddictionaries.com, 2018.