General Affidavits are written statements of fact used to support your case or verify facts that are sworn to be true in front of a notary public. An affidavit is more than just a legal document; it's a sworn statement that holds significant weight in the eyes of the law.In this lesson, you will learn what an affidavit is and how to format one. You'll also review a sample template that can be used to construct an affidavit. An affidavit is a sworn statement of fact that can be used in a variety of legal proceedings, from bankruptcy cases to family and civil litigation matters. A general affidavit is a sworn statement made in writing, attesting to the authenticity of certain facts.