: This is the name of the distribution site or uploader . Sites like World4uFree often re-encode or host content for public download.
: The resolution of the video (1280 x 720 pixels), which qualifies as High Definition (HD). world4ufree-wiki-amu-hevc720p-mkv
: Refers to the original release group (e.g., WiKi ), known for high-quality encodes from source material like Blu-rays. : This is the name of the distribution site or uploader