what is the preamble to the constitution?

The preamble is an introduction and sets forth the purpose of the document.

https://www.usconstitution.net/xconst_preamble.html

The Preamble to the Constitution is the introductory statement of the United States Constitution. It begins with the famous words, "We the People of the United States." The Preamble outlines the core principles and purposes of the Constitution. It serves as a brief and powerful expression of the goals and aspirations of the Constitution's framers.

To understand the Preamble, one can simply read it. It is a concise paragraph that sets the stage for the rest of the Constitution. It explains the reasons why the Constitution was written and the lofty goals it seeks to achieve. By analyzing the language and structure of the Preamble, one can gain a deeper understanding of the Constitution's underlying principles and ideals. Additionally, it can be helpful to study the historical context in which the Constitution was written to fully appreciate the significance of the Preamble.