vellum: a heavy creamy-colored paper resembling parchment
writing paper: paper material made into thin sheets that are sized to take ink; used for writing correspondence and manuscripts
nim: game in which matchsticks are arranged in rows and players alternately remove one or more of them; in some versions the object is to take the last remaining matchstick on the table and in other versions the object is to avoid taking the last remaining matchstick on the table