Larian Studios Forums Divinity: Original Sin 2 - The Modding Dungeon Divinity - Original Sin 2 - Modding General Help me understand PAK and LSV

for the meta part, not sure if this would help
http://larian.com/forums/ubbthreads.php?ubb=showflat&Number=620801&Searchpage=1&Main=75880&Words=extracting&Search=true#Post620801