Preambles

right|thumb|The preamble to the United Nations Charter 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.

set of guidelines to the nation and the Constitution of India

brief introductory statement of the Constitution's fundamental purposes and guiding principles

opening of the 1945 United Nations Charter