: Refers to the resolution ( 360p ) and quality ( Standard Definition ). This is a lower-resolution file designed for smaller screens or slower internet connections. .mp4 : The standard digital video file format.
Essentially, this is a tag for a low-resolution Blu-ray rip of a One Piece movie hosted on the GateAnime platform. gateanime-com-op-filme-s-bd-360sd-mp4
: Likely shorthand for One Piece Film: Red or another "One Piece" movie ( OP is the standard abbreviation for One Piece). : Refers to the resolution ( 360p )