To see or be in a Caboose infers that you are toward the end in line for something. You are feeling duped. On the other hand, longing for a rear serves as an update that you will in the long run get to where you require. It is not generally about being first or completing first."

To see or be in a caboose implies that you are last in line for something. You are feeling shortchanged. Alternatively, dreaming of a caboose serves as a reminder that you will eventually get to where you need. It is not always about being first or finishing first.