The phrase is not merely marketing jargon. It denotes a specific remastering or encoding process that prioritizes bitrate and resolution over file size. Here is the technical breakdown of what this entails for MEYD-860:
Higher bitrates reduce compression artifacts, which is crucial for the fluid motion seen in this title. meyd860 4k extra quality
Unofficial "4K extra quality" downloads from torrent sites or file lockers are often: The phrase is not merely marketing jargon