What is the purpose of a "point of order"?

The purpose of a "point of order" is indeed to call for enforcement of rules within a meeting or assembly. When a point of order is raised, it highlights a perceived violation of the established rules or procedures governing the proceedings. This mechanism ensures that discussions stay within the framework of the agreed-upon guidelines and parliamentary procedure.

By calling for a point of order, a member is effectively requesting the presiding officer or chair to address the issue at hand, thus helping to maintain order and proper conduct during the meeting. This is essential for the integrity of the process, as it allows members to actively participate in upholding the rules, ensuring that all actions taken are valid and fair.

In the context of parliamentary procedure, the other options serve different functions and are not related to the primary role of a point of order. Closing debate, postponing matters, or making previously taken actions valid each have their specific procedural applications, distinct from the enforcement of rules that a point of order entails.