Gateanime-com-bech-134-bd-1080fhd-mp4 -

: This stands for Blu-ray Disc . It means the source of this video is a retail Blu-ray, which generally offers the highest possible visual and audio quality compared to TV or web broadcasts.

: This indicates the source website is GateAnime , a popular Arabic-language portal for streaming and downloading subbed and dubbed anime. gateanime-com-bech-134-bd-1080fhd-mp4

The string you provided looks like a specific file name for an anime episode or movie from a download portal. : This stands for Blu-ray Disc