[ ] - 09 (b-global 1920x1080 Hevc Aac Mkv) [858... (Edge)

: Likely the beginning of a CRC32 Checksum , a 32-bit hash used to verify that the file was downloaded without errors and has not been corrupted. Source Characteristics

Bilibili Global (B-Global) is often chosen by release groups for the following reasons: [ ] - 09 (B-Global 1920x1080 HEVC AAC MKV) [858...

: The leading brackets usually contain the Release Group name (e.g., [NC-Raws, Nandesuka], or [SubsPlease]). These groups manage the extraction, subtitle integration, or encoding of the media. : Likely the beginning of a CRC32 Checksum

: This typically represents the Episode Number within a specific season. a standard compressed audio format.

: The Audio Codec (Advanced Audio Coding), a standard compressed audio format.