The resolution (High Definition). It means the video is 1280 pixels wide by 720 pixels tall.
The title and release year of the movie. 1337xhd-shop-live-escape-2022-mlsbd-shop-english-720p-mkv
These are "release tags" indicating the groups or websites responsible for uploading or re-encoding the file. English: Confirms the audio track is in English. The resolution (High Definition)
Files with long, complex names containing multiple website tags (like "-shop" or "1337x") are typically found on third-party file-sharing sites. If you are handling this specific file: 1337xhd-shop-live-escape-2022-mlsbd-shop-english-720p-mkv
The film is a psychological thriller that taps into the "escape room" subgenre of horror.