What is a "summons" in a legal context?

In a legal context, a summons is primarily understood as a legal document that informs an individual that they are being sued in a civil case. This document typically notifies the person of the proceedings against them, outlines the nature of the case, and establishes a timeframe within which they must respond. It is an important aspect of legal proceedings, as it ensures that individuals are aware of their legal obligations and the need to defend themselves in court if necessary.

This definition aligns with the role of a summons in helping to ensure due process, allowing for fair and transparent legal proceedings. While the other options pertain to important legal documents or processes, they do not encapsulate the specific purpose and function of a summons in the way that notifying someone of a lawsuit does.