Five Views of the Book of Revelation

One of the reasons Revelation is (I think) the most difficult book of the Bible is that not only are there disputes about particular verses, but the purpose and the interpretation of the book as a whole are also disputed.  No other book has had such a wide diversity about its basic meaning and interpretation.  Here is a brief chart listing the five main ways Revelation has been understood through the centuries. (click on the chart for a better resolution)