1. Freedom. 2. Protection. 3. An ideal to be achieved in one’s own life. Related DreamsUnited States Mail Box To see a United States mail box, in a dream, denotes that you are about to enter into transactions which will be claimed to be illegal.To put a letter in one, denotes you will be held responsible for some irregularity of another.United Arab Emirates 1. Fear of terrorists. 2. Different worlds.