: Likely a unique ID used by a Digital Asset Management (DAM) system or a stock site (such as ShutterStock, Getty, or Pond5) to catalog a specific clip.
: The standard MPEG-4 container format used for web delivery and general playback. Common Sources This specific naming convention is frequently seen in:
: Watermarked or low-bitrate "comp" files downloaded for testing in a project.
: Raw files used by video editors for marketing or internal training.