What is the purpose of a "lock box" for firearms?

A lock box for firearms is designed primarily to provide secure storage and to prevent unauthorized access. This function is critical for ensuring the safety of firearms, especially in households where children or untrained individuals may be present. By using a lock box, firearm owners can significantly reduce the risk of accidents, theft, or misuse of the weapon.

The lock box serves as a physical barrier, ensuring that only those who are authorized, such as the gun owner, can access the firearms inside. This meets both legal safety standards and best practices for gun ownership, emphasizing responsibility and the importance of secure storage solutions.

Other options may address certain aspects of firearm storage but do not encapsulate the main intention behind the use of a lock box like option C does. Options focusing on display, ease of access, or quick retrieval during emergencies overlook the fundamental purpose of promoting safety and preventing access to unauthorized individuals. Thus, secure storage is the paramount purpose that a lock box serves in the context of responsible firearm ownership.