"Repacking" usually refers to the practice of combining several smaller mods into one single .pbo file (with permission from the original authors) to reduce the load time and "mod soup" on a server. However, a deeper level of repacking involves:
Change optimized game models (ODOL) back into editable formats (MLOD). p3d debinarizer dayz repack
A "repack" usually involves taking existing mods and bundling them into a single "Repacking" usually refers to the practice of combining