: Using simple tools like text files to hide complex information.

Based on modeling and community platforms where these terms typically appear: Content Type:

: Video files come in various formats (e.g., MP4, AVI, MOV, MKV), each with its own set of characteristics and compatibility with different devices and software.

extension suggests it is a simple plain-text document meant to accompany the video file, often providing "behind-the-scenes" notes or metadata for fans and collectors.