What are the current useless terms in this "audio world"

@millercarbon  Nope, when I hear the word salad, it means to me a mixture of various foods, generally cold and generally food in small size pieces.  It could be a fruit salad, vegetable salad, tuna salad, chicken salad, potato salad, etc.  Not necessarily involving a vegetable (fruit) or predominantly involving a vegetable (tuna/chicken).

@millercarbon When I hear Electrician, I think of a licensed and certified person who can legally work with electrical components, dealing with electricity    
When I hear Professional, I think of someone with a professional education degree first, a doctorate for example    
When I hear that someone ran or run a business, I think of an entrepreneur, for profit, providing a service or product.    

Some words evoke immediate images and are not difficult to assess.