classical music. In technical musical usage this means music composed during the late eighteenth and early nineteenth centuries, characterized by the development of the sonata by such composers as Mozart. In popular use, however, the term is used to mean any serious art music as distinct from jazz, pop, or folk.
The definition of vague is something unclear, hazy or uncertain. An example of vague would be directions to a house that don't include street names. YourDictionary definition and usage example.
Abuse is a vague word. It is vague because there are so many ways in which it can be perpetrated. At its foundation is an experience of pain and suffering that someone is unconsciously transferred; enlisting someone else (almost always less powerful) in the torment as to diffuse it inside themselves.