They provide the coordinates for diffuse, bump, and displacement maps to ensure the "white" texture doesn't lose its detail under bright lights. How to Achieve the "Katya White Room" Look for Free

If you are looking for specific types of content from that studio, here is what I found regarding the terms:

Enjoying music responsibly means supporting the creators who poured time and talent into it. By obtaining “White Room” lyrics through the channels above, you not only stay on the right side of the law but also help independent artists like Katya and J Belarus Studio continue to produce the atmospheric tracks you love. Happy listening (and reading)!