10745-br720p-subs-thelittlemermaid.mp4

: Likely an internal database ID or release number used by the group that uploaded the file.

In short, it is a high-definition Blu-ray rip of The Little Mermaid with subtitles included. 10745-BR720p-SUBS-THELITTLEMERMAID.mp4

That file name is a standard string used in digital media to describe exactly what the video file contains. : Likely an internal database ID or release

: Short for Blu-ray , indicating the high-definition disc source the video was ripped from. 10745-BR720p-SUBS-THELITTLEMERMAID.mp4