God’s Word has different divisions within it. First, there is the division between His purpose and plan for the earth and His purpose and plan for the heavens. Then there are the divisions between the tree, the time of tribulation, the throne and the mystery. There is also a division between the gospel of the circumcision and the gospel of the uncircumcision. These are all important divisions to understand when studying the scriptures. This is all part of study that you can understand.