The phrase "informative feature" usually refers to used in educational technology to improve learning. Since you are referencing a specific file, here is how you can use "informative features" with it: Ways to Add Informative Features
If you are looking for technical "features" or data about this specific file, you can check its internal metadata using tools like ExifTool or the "Get Info" (Mac) / "Properties" (Windows) options on your computer. This will tell you: VID_20210528_220138_579mp4
Or did you see this "informative feature" label on a ? The phrase "informative feature" usually refers to used
Are you looking to (like quizzes or labels) to it? VID_20210528_220138_579mp4
: You can insert checkpoints that ask questions, providing immediate feedback to the viewer before they are allowed to continue. Metadata Information
