: This denotes the file size in megabytes. It gives an indication of the file's size and, by extension, the quality and compression efficiency. A lower file size with good quality indicates efficient compression.
720p means the video has 720 horizontal lines of vertical resolution (typically 1280×720 pixels). It’s considered high definition (HD) but not full HD (1080p) or 4K. For a file size of 350MB, 720p offers a decent balance between quality and storage space. Reacher.S01E03.720p.WEB-HD.x264.350MB-HDHub4u.mkv
: The title of the television series, based on the Jack Reacher book series by Lee Child. S01E03 : Season 1, Episode 3 (titled "Spoonful"). : This denotes the file size in megabytes