What metaphors are used in Tribulation Force: The Continuing Drama of Those Left Behind by Tim F. LaHaye?

The Rapture is considered to be a futuristic event in Christianity as predicted in Revelation. The Rapture is said to be when Jesus Christ will return to the earth amid great fanfare and triumph to "call home" his people—Christians who have accepted Jesus Christ as their personal savior. It becomes a symbol and metaphor for final judgment.