What is Article 1 of the Constitution called?

Since this is not my area of expertise, I searched Google under the key words "article 1 constitution" to get these possible sources:

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In the future, you can find the information you desire more quickly, if you use appropriate key words to do your own search. Also see http://hanlib.sou.edu/searchtools/.

Article 1 of the United States Constitution is called the "Legislative Branch". It is the first and longest article of the Constitution, outlining the powers and structure of the Congress, which is the legislative branch of the federal government. To find this information, you can refer to the actual text of the U.S. Constitution, which is available online through various sources. You can also consult textbooks, encyclopedias, or government websites that provide an overview and analysis of the Constitution.