What is the purpose of the PREAMBLE to the constitution?
The purpose of the preamble is to provide a brief introduction to the principles, goals and fundamental principles of the constitution. It also shows the guiding principles and in cases in courts, judges do not review a preamble due to its limited nature. More details at http://en.wikipedia.org/wiki/Preamble_to_the_United_States_Constitution
The Preamble to the Constitution introduces what the rest of it is about and what the Colonies wanted from England. ie their rights and independence.
Basically an intro or opening paragraph
the preamble is a doozies that does something with something and stuff