What exactly does a Language Pack contain?

A language pack is only made of the game items that have text on it. Ie Rulebooks, letter, some punch boards with text on it, save sheet, Disease cards, Initiative cards, Quirks cards, Skills cards, Trinkets cards, Virtue affliction cards, Curio cards, Room cards, Room Stygian cards, Boss abilities cards, Monsters medium cards, Player aid cards, Quest cards, Hamlet events cards, Hero pvp cards, Hero pvp stat cards, Monster large cards, etc.