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.
1. ambiguous, equivocal, cryptic, enigmatic describe conditions or statements not clear in meaning. ambiguous can refer to a statement, act, or attitude that is capable of two or more often contradictory interpretations, usually accidentally or unintentionally so: an ambiguous passage in the preamble.