[ ] - 09 (b-global 1920x1080 Hevc Aac Mkv) [666... -

: This is the Resolution (Full HD). It means the video is 1920 pixels wide by 1080 pixels tall.

: Best viewed on modern PCs, smartphones, or smart TVs with hardware HEVC support. [ ] - 09 (B-Global 1920x1080 HEVC AAC MKV) [666...

: The empty brackets at the start are usually a placeholder for the Release Group . Groups like SubsPlease or Erai-raws often place their name here. : This is the Resolution (Full HD)

: This is the File Container (Matroska). Unlike MP4, MKV can "wrap" multiple audio tracks and subtitle files into a single file, making it the preferred format for the anime community. a major Southeast Asian streaming platform.

: This refers to the Source . "B-Global" specifically indicates the video was ripped from Bilibili Global , a major Southeast Asian streaming platform.