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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My speakers are considered “warm” the treble is rolled off at 600hz, or mghz, or something like that.
the treble is not in your face, making your teeth grate, or pain.


I like the warm speaker, more relaxing, yes.
does it lose some of the airy sound, yes, it’s a sacrifice. 
To each their own.
@mijostyn

A lot of none answers.

None [sic] answers? Well, I gave a reference to Robert Harley’s book, with specific reference to a chapter meticulously dedicated to a variety of terms for different aspects of the qualities found in the experience of sound. Harley is an engineer, a reviewer, and an expert at listening and explaining. You have offered your own home-made terms for what these terms mean, and that is helpful, but really -- it’s not remotely in the same league as Harley. It's closer to a non-answer.
doogiehowser"Can you please explain your need to avoid use of something that would ease the ability for audiophiles to communicate with each other"

You are apparently, evidently, and obviously confused, disoriented, or unable to grasp even basic English, which is all that I can write. I never said anything "should be avoided" so I am not sure why you ask or got any contrary idea, impression, or belief.
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