What is a command of a subpoena primarily intended for?

A subpoena is a legal document that commands an individual to appear in court to testify or to produce specific documents or evidence pertinent to a legal case. This instrument plays a crucial role in the judicial process by securing the presence of witnesses or the availability of relevant documentation, which is vital for the fact-finding aspect of legal proceedings. This obligation ensures that both parties in a case can adequately prepare their arguments based on the evidence and testimonies presented.

Choosing this particular function as the correct answer emphasizes the importance of subpoenas in maintaining the integrity of the judicial process, enabling courts to obtain necessary information to reach fair decisions. Understanding this function is fundamental for anyone involved in legal proceedings, including process servers who facilitate the delivery and enforcement of such legal documents.