Preamble: The introductory part of a statue or deed, stating its purpose, aims, and justification.
The Constitution of the US of America, begins “We the people of the . . . in order to form . . . perfect union . . . do ordain and establish this constitution.
We have a constitution here—short version—principles by which a state or organization is governed—charter, system of laws.
Here is our constitution:
Its preamble: In the beginning God created the heaven and the earth.
