Preamble of the Constitution depicts an introductory statement. It contains an outline regarding the purpose of the Constitution. The Preamble enumerates the authority pertaining to the new government. The Preamble of the Constitution of the United States describes the authority of the government as to be conferred by the people of the country. This implies that the people of the country are the main source of power and the government are required to act on behalf of them. The people of the United States are conferred with the right by the Constitution to devolve their unlimited powers to the government for the purpose of serving their interest. The Preamble to the Constitution of the United States provides a general guideline. The courts are required refer to the same only for the purpose of deciphering the motives of the makers of the Constitution. It provides a meaning to the Constitution.

The motive of the creators of the Constitution of United States was not to extend legal authority to the Preamble. The Preamble does not confer any power to the state or federal government. It does not pose any restrictions upon the scope of actions to the upcoming government. The Preamble has not been cited ever in the federal courts or even the Supreme Court of the United States, while addressing issues of constitutional importance. The Preamble of the United States Constitution is also referred to as the enacting clause. Previously, it was not considered to be a part of the Constitution. However, during the final days of Conventional Convention it has been included as a part of the United Stated Constitution. The inclusion of the Preamble to the United States Constitution has been suggested as well as pushed by Gouverneur Morris. Prior to the drafting of the Preamble, no discussion or proposal has been made in the Convention regarding the same preamble.

The Preamble to the Constitution of the United States, previously, referred the people of individual. However, in its present form, it has it refers to the People of the United Stated as a whole. The main objective of the constitution is to provide a summarization of the Constitution. The Preamble integrates the visualization of the Americans. The preamble has been devolved with the power to authorise the rights as well as freedoms to the Citizens of the United States. Although no legal significance has been assigned to the Preamble, but it needs to be considered to be significant while interpreting the motives as well as meaning of the provisions of the Constitutions. The Preamble is to taken into consideration while applying the Constitutional provisions towards the present legal situations. The need of the Preamble is witnessed by the court while deciphering the spirit attached to the Constitution. The Preamble of the United States Constitution is the source of the federalism of the government, which makes the powers exercised by the state as well as the central government separate. However, it also makes presence of certain shared powers to be present.