Need definitions of: Dark; Warm; and Bright


Throughout thousands of postings, the descriptive adjectives of dark, warm, and bright are employed.  What does each of them actually mean?  Are these meanings solely subjective, or can they be seen in displays of frequency responses and distortion across an audio spectrum?
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I have a question,not to hijack the OPs thread,but how did this thread take a nose dive right in to the ground?  
@rocray,  it’s far to common here that someone asks questions that may quite often have some legitimate answers to be offered but the trolling, sniping and self aggrandizing crew can’t help themselves.  Instead of scrolling along and keeping the snide remarks to themselves they bolster their post count with short, snarky or rude comments then head to the next sandbox to kick more sand or take a verbal dump in.  Bitter folks that should find another hobby or leave the forum if they truly believe everyone else is stupid and they are unquestionably correct about their assertions. 
Dark is when there is a an overly soft treble that causes no life to the very upper treble. Warm is when the entire balance is too bass centered which causes a lack of openness to your entire midrange and treble. Bright is when the sound is centered to the mids and highs too much which causes an overly bleached and thin sound.
I enjoy what @hilde45 has to say and typically what he has to offer.  Smart guy.

In my early days of business, just out of college, I was in hi-fi retail for a few years.  In order to help communicate the sonic signature for some of our customers we would use the terms "chocolate mid-range" and "butterscotch highs".  It seemed to convey the message nicely.  Ultimately it was the customers decision as to what sound they preferred and, hopefully, to make the purchase.  But the point is that words do matter and words are indeed for communication.
Dark means the sun has set. Warm means that Summer is coming. Bright means you stop looking for word descriptions of what you hear.

Bright means there is too much glare and it's time to get the sunglasses out.

All these terms really suck and are used to justify poor design.

A flat response is the only way to enjoy a recording.