What does a 'document containing legal written arguments' typically refer to in legal proceedings?

In legal proceedings, a 'document containing legal written arguments' specifically refers to a brief. A brief is a formal written document that outlines the arguments, legal theories, and supporting case law related to a particular issue or case. It is usually submitted to a court to persuade judges of a particular interpretation of law or to support a legal position.

Briefs play a critical role in the judicial process as they provide a synthesized presentation of the relevant facts, applicable laws, and arguments that support a party's position. They serve to guide the court's understanding and reasoning in the case at hand.

The other options, while related to legal documentation, do not fit the description as precisely as a brief. An affidavit is a sworn statement of facts, an exhibit refers to tangible evidence presented in court, and a memorandum is typically a more informal communication that may outline legal analysis but doesn’t necessarily function as a structured legal argument like a brief does.