Many of these terms are difficult to understand without having some 'authority' providing precise definitions. Robert Harley attempted to present a little clarity in his book; "The Complete Guide to Highend Audio." I know a lot of people don't really care about what a paid reviewer thinks or says, and some people will reject his definitions out of hand due to the source, but it seems like it would be helpful to have just one definition for each word. Now if we could just settle on a source!
Dark and laid back vs bright and forward
What do reviewers mean when they describe an amp as dark? Laid back? Forward? Bright?