What is a sworn statement or declaration made under oath called?

The correct term for a sworn statement or declaration made under oath is "Affidavit." An affidavit is a written statement confirmed by oath or affirmation, typically used as evidence in court. It serves as a way for individuals to present facts formally and legally, ensuring that the information is taken seriously, as it is subject to perjury laws.

Testimony refers to the evidence provided by a witness in a legal setting, typically during a trial, but it is not necessarily made in a written form or sworn declaration. A deposition is a type of testimony taken outside of court, where a witness provides answers to questions under oath, but it generally involves an oral examination rather than a written statement. A sworn declaration is closely related to an affidavit, as it is also a written statement made under oath. However, the term "affidavit" is the more widely recognized and frequently used term in legal contexts for offering facts in writing that are sworn to be true.