Media File Sorting Area: Here is where you can choose to show any desired kind of media file in a selected folder. The various options include:
All media items
Unattached (which displays the media files that doesn't have a recognized extension).
Mine (which shows only the media files uploaded by the current WordPress Admin user).
See image reference below:
Sorting Option: This setting area allows you to display/view the media files in a specific folder according to the date created/uploaded.