" usually indicates a specific video file format or a "Portable Version" of software/media designed to run without installation, often optimized for smaller file sizes or mobile devices (like a PSP or mobile phone). Context of the Search Term The Dreamers (2003)
In file-sharing and archival lingo, does not mean the film comes in a suitcase. It refers to:
Many users seek a version because Archive.org often allows direct downloading of the file without a torrent client. You click the MP4 link, it saves to your hard drive, you drag it to an SD card, and you watch it on a plane.