I suggest this article: https://www.cryptologie.net/article/474/bits-and-bytes-ordering-in-5-minutes/ https://www.cryptologie.net/article/474/bits-and-bytes-ord

I suggest this article: https://www.cryptologie.net/article/474/bits-and-bytes-ordering-in-5-minutes/ https://www.cryptologie.net/article/474/bits-and-bytes-order... (shameless plug)