What term describes the discussion that takes place for or against a motion?

The term that pertains to the discussion that occurs for or against a motion is "debate." In parliamentary procedure, debate is a structured form of discussion where members express their viewpoints on a motion, either in favor of it or opposing it. This process is essential as it allows for the exploration of various perspectives and arguments before a decision is made.

Debate typically follows specific rules to ensure that it remains orderly and respectful, allowing for each participant to present their opinions and evidence related to the motion at hand. This helps in making informed decisions based on a comprehensive understanding of the topic under consideration.

While dialogue, discussion, and argument might seem similar, they lack the formal structure and purpose that debate embodies in the context of parliamentary procedure. Dialogue can refer to open conversation without the competitive aspect, discussion might suggest a more casual exchange of ideas, and argument often implies a conflict rather than a structured presentation of pros and cons, which is central to effective debate.