: The naming convention (HD).mp4 is common for files downloaded from YouTube or stock video sites.
If this is a video you found online or have in your personal library, it likely refers to one of the following: bejewelled_vid (HD).mp4
: Fans often save high-definition (HD) versions of this music video. Reviews generally praise it for its high-budget "Cinderella" theme, colorful visuals, and numerous "Easter eggs" referencing her other work. : The naming convention (HD)
To give you a helpful review, I'd need a bit more context. bejewelled_vid (HD).mp4
: It could be a high-quality capture of gameplay from the classic puzzle game series by PopCap Games.