This is likely the name of the "release group" or the individual who encoded and uploaded the file. In the world of digital media, groups often have their own signature tags.
: Specifies that this version is the Director’s Cut, which typically includes footage not seen in the original theatrical release. dslove lesson2013krdirectors cuthdrip12 fix
The string "dslove lesson2013krdirectors cuthdrip12 fix" appears to be a specific for a digital video file, likely referring to the 2013 South Korean film " Love Lesson " (original title: Hwaryeonhan oechul ). Release Breakdown dslove : Likely the tag for the release group or source. lesson2013kr : Refers to the film Love Lesson , released in 2013 in Korea . This is likely the name of the "release