The keyword indicates several technical specifications for this specific version of the movie:
Just let me know which direction you’d like. Justice.League.Dark.2017.720p.Vegamovies.to.mkv
If you're sharing that you're watching it, try something more engaging: "Diving into the mystical side of the DCU tonight with Justice League Dark (2017) Justice.League.Dark.2017.720p.Vegamovies.to.mkv
If you were curious what all those parts of the filename meant: Justice.League.Dark.2017 : The movie title and release year. : The video resolution (Standard HD). Vegamovies.to : The website/source where the file originated. : The file container format (Matroska Video). or perhaps a recommendation for what to watch after this? Justice.League.Dark.2017.720p.Vegamovies.to.mkv
: The avatar of the "Green" who protects the Earth's plant life. Technical Details of the File