The filename is a specific identifier typically associated with high-quality stock footage or production clips .
: The "SEL" prefix is often used by digital content creators or stock agencies (like Sony's "Sony Entertainment Library" or similar internal cataloging systems) to categorize high-resolution assets. SEL007-4k.mp4
: The " 4k " indicates the video is in Ultra High Definition ( pixels), providing high detail for professional editing. The filename is a specific identifier typically associated