Mira listened as they told of a slow dimming at the edge of both their lands—flowers losing their chime, mushrooms drawing inward like shy faces. The Lumin worried their light would snuff out, and the Smurfs’ songs would fade to memory. The only way to mend the dimming was a weave: a braid of Smurf laughter and Lumin light, woven at the Moonwell during the night of a blue bloom.

Likely refers to the audio channel configuration (though "8" is non-standard, it often implies a specific internal release group tagging or 7.1 surround sound metadata).

: Smurfette’s journey through the Forbidden Forest is a literal and metaphorical search for who she is beyond her origin as a creation of dark magic. Female Empowerment

This means the file was recorded/transcoded from a digital stream rather than being a direct "WEB-DL" (lossless bit-for-bit download).