> There's no such thing as a "good" definition. This is completely useless. > We begin with the definition No. We begin with a name, used to describe a parti

> There's no such thing as a "good" definition. This is completely useless. > We begin with the definition No. We begin with a name, used to describe a particular entity, phenomenon, or class thereof. As the name comes into greater use, its meaning becomes known through some measure of positive (this is X) and near miss (this is like X, but not X), and eventually a definition is clarified that attempts to capture those linkages between the word and the represented things.