This filename follows a standard convention used in anime fan-subbing and digital distribution.
: The episode number . In this case, it is the 12th episode of the series. [AnimesTC] Girls' Frontline - 12 (1080p).mkv
: The video resolution , indicating "Full HD" quality (1920 x 1080 pixels). This filename follows a standard convention used in
: The title of the anime series, based on the popular mobile strategy game of the same name. [AnimesTC] Girls' Frontline - 12 (1080p).mkv
: This is the name of the release group or "fansub" group that encoded and distributed this specific file.
: The file extension . MKV (Matroska Video) is a container format that can hold multiple video, audio, and subtitle tracks in a single file.