: The film won six Academy Awards, including Best Picture and Best Director , making Kathryn Bigelow the first woman to win in that category.

: The audio codec (Advanced Audio Coding), a standard format for compressed digital audio.

: The video compression standard (AVC) used to keep the file size manageable while maintaining high visual quality.

: The name of the release group that originally encoded and distributed this specific version of the file. Critical Acclaim