: Standing for High Efficiency Video Coding (also known as H.265), this compression standard allows for high-quality video at significantly smaller file sizes.
: This likely represents the "release group" or encoder team responsible for compressing the movie from its original source into a smaller file size. world4ufree-cfd-thelair-hevcdual-mkv
: This typically indicates "Dual Audio," meaning the file contains two separate audio tracks (e.g., English and Hindi), which the user can switch between during playback. : Standing for High Efficiency Video Coding (also known as H