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.
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?