Preamble
（重定向自Explanatory statement）
![Preamble to the Charter of the United Nations](/Images/godic/202501/12/UNITED_NATIONS_-_PREAMBLE_TO_THE_CHARTER_OF_THE_UNITED_NATIONS_-_NARA_-_5159012649.jpg")
![The Preamble to the Constitution of India. It is the longest written constitution of any sovereign country in the world.[1]](/Images/godic/202501/12/Constitution_of_India2649.jpg")
A preamble is an introductory and expressionary statement in a document that explains the document's purpose and underlying philosophy. When applied to the opening paragraphs of a statute, it may recite historical facts pertinent to the subject of the statute. It is distinct from the long title or enacting formula of a law.