This is where the filename gets highly technical, revealing the advanced engineering used to compress massive video files into manageable download sizes.
The last two tags tell us who processed the file and the wrapper it arrives in. download-the-vow-s02e01-1080p-web-hevc-x265-rmt-mkv
: This stands for High Efficiency Video Coding. It is a video compression standard designed as the successor to the widely used H.264/MPEG-4 AVC. HEVC offers about double the data compression ratio at the same level of video quality, or substantially improved video quality at the same bit rate. This is where the filename gets highly technical,