A General Affidavit is a written statement, sworn to be true, giving specific reasons to support the things you are asking a judge to do. An affidavit is a written statement made under oath that is typically used in legal proceedings.Learn their purpose, when to use, and how to write. Affidavit definition: . See examples of AFFIDAVIT used in a sentence. A written statement that someone makes after promising officially to tell the truth. An affidavit can be used as proof in a law court. For your divorce, fill out the Affidavit of Indigency. •. You will need to fill out a Civil Case Information Sheet form, which you can get at the courthouse. Service is "the formal delivery of a writ, summons, or other legal process or notice" according to Black's Law Dictionary.