Traditional Meanings:

European (Judeo-Christian)

• Clear aims if make trailer – In the dream you are making trailer then this means that you have clear vision of your life and you know how to reach goals;
• Need to know if see trailer – You see a trailer in the dream, then this denotes that you wish to have your future plans.

Hindu (Hinduism)

• Support if make trailer – You are making trailer in the dream, then this signifies that you will find help in time of need.

Arabian (Islamic)

• Planning future if see trailer – When you see trailer, then this dream is a sign that it is good to try to plan your future step by step.