This text appears to be a , specifically a high-definition anime episode or movie from a distribution site.
: The source website or the group that encoded/uploaded the file (GateAnime). gateanime-com-bech-004-bd-1080fhd-mp4
: The file container format, which is compatible with almost all modern devices. This text appears to be a , specifically
: The resolution, 1080p Full High Definition (1920 x 1080 pixels). This text appears to be a
: Likely an abbreviation for the title of the anime (e.g., Bleach ). 004 : The episode number or volume number.
: Indicates the source material is a Blu-ray Disc , which usually means higher quality and fewer censorship bars compared to TV broadcasts.