This indicates the video is in 720p (High Definition) resolution.
To confirm the origin or find similar content, you can search for the production code " gio114 " on specialized database sites or the official website of the studio associated with that code series.
If you are managing a library, you can use software like Plex or Stash to automatically fetch additional metadata using the names and production code provided in the title.
The content was likely released or recorded on December 20, 2015 .
A standard digital container for video and audio data. How to Use the File