Tokens are even denser than ascii. simmlar to word “chunking” My guess is it’s like lossy video compression but for text, [Attacked] with [lazers] by [deatheaters] apon [margret];[has flowery language]; word [margret] [comes first] (Theoretical example has 7 “tokens”)
It may have actually impressioned a really good copy of that book as it’s lilely read it lots of times.