'A volume' or 'roll,' as in Zechariah 5:2, signifies the curse going forth upon the faces of the whole earth. 'A roll of a book written within and without,' as in Ezekiel 2:9-10 and 3:1-3, signifies the state of the church and thus the quality of life of the people at that time.
(References: Apocalypse Explained 222)
