1 the adult male voice intermediate between the bass and the alto or countertenor. 2  a part sung by or written for such a voice, esp. the next to the lowest part in four-part harmony. 3  a singer with such a voice. 4  an instrument corresponding in compass to this voice, esp. the viola.
Concepts of Marketing. There are 5 different concepts of marketing, each of which vary in the function that they deal with. For example â production concept deals with production and selling concept deals with selling. Each of the concept was developed as per the need of the market. As the market changed, so did the concepts of marketing. And today, we have an opportunity to look at all 5 concepts of marketing and what they represent. 1  Production concept. 2  Product concept.  Selling concept.
1 Concepts as mental representations, where concepts are entities that exist in the brain, 2  Concepts as abilities, where concepts are abilities peculiar to cognitive agents, and. 3  Concepts as abstract objects, where objects are the constituents of propositions that mediate between thought, language, and referents.he classical theory of concepts, also referred to as the empiricist theory of concepts, is the oldest theory about the structure of concepts (it can be traced back to Aristotle), and was prominently held until the 1970s.