Genesis 6:16

A window shalt thou make to the ark, and in a cubit shalt thou finish it above; and the door of the ark shalt thou set in the side thereof; with lower, second, and third stories shalt thou make it.

1. God continued giving Noah specifications for the ark.
2. The ark had a window a cubit wide.
3. There was a door in the side of the ark.
4. The ark had 3 stories or decks.