'Within' in the Bible

And the four living creatures, each by itself severally, had six wings, around and within are full of eyes, and rest they have not day and night, saying, 'Holy, holy, holy, Lord God Almighty, who was, and who is, and who is coming;'

And I saw upon the right hand of Him who is sitting upon the throne a scroll, written within and on the back, sealed with seven seals;