The term is often seen in digital distribution circles. In the context of a music album, a repack usually refers to a re-release or a consolidated package that fixes metadata errors, adds missing tracks, or includes bonus content (like remixes or album art) that may have been scattered across different initial releases.
In digital music circles, a "repack" often indicates a curated version where metadata (artist tags, high-resolution cover art) has been corrected or standardized for media players. alan walker different world 2018 320 kbps repack