: Use a versatile media player like VLC Media Player or MPC-HC . These handle the "MULTi" aspect well, allowing you to right-click the video while it's playing to switch between different audio languages and subtitles.
: The resolution of the video. 720p is High Definition (HD), measuring
: This refers to the audio format , specifically Dolby Digital Plus 5.1 surround sound. How to use this file
That string of text is a standard used by digital distributors and scene groups.
: The video codec (Advanced Video Coding). This is the most common format for video compression, ensuring it plays on almost any device.