The specific filename provided contains technical tags used in digital media distribution: The year the film was released.
The video resolution (Full High Definition, 1920 x 1080 pixels). NF: Indicates the source of the video is Netflix . my-fathers-dragon-2022-1080p-nf-web-dl-movizland-com-mp4
This is a "release tag" or watermark from the website where the file was hosted/distributed. The specific filename provided contains technical tags used