This naming format is the default for the iOS Control Center screen recording tool.
If "proper feature" refers to what is happening in the video, the timestamp suggests it may be related to: Video Dec 21, 10 09 54 AM.mp4
Open the video in the Photos app , swipe up, and you will see the resolution, frame rate (fps), and file size. 2. "Feature" as a Software Function This naming format is the default for the
Recordings of school plays, gift exchanges, or winter activities. and you will see the resolution
In many years, December 21 is the Winter Solstice; the video might feature specific lighting or astronomical events related to the shortest day of the year.