John had a prophetic vision in which he was shown what would happen in the world until the second coming of Jesus Christ (Introduction, pg. 3).
“But while Daniel looks to the first advent of the Messiah as the heir of the preceding world-monarchies, John looks to the second advent of Christ and the new heavens and the new earth.”
Philip Schaff, History of the Christian Church, Vol 1. p. 828.
“Furthermore, the various lines of prophecy carry the reader down through the ages to the second coming of Christ, and the new heavens and earth.”
Froom, Prophetic Faith, Vol. 1, p. 88.