Here are some of the basic rules of the Model United Nations (as well as the real thing):

Motion Debatable? Majority Comments
Point of Personal Privilege

Point of Order

No NA These are the only points that can interrupt a speaker.
Comments No NA This is the only point that can continue a speech.
Right of Reply No NA No right of reply to a right of reply is allowed.
Point of Parliamentary Inquiry No NA Used only to ask questions about parliamentary procedure.
Suspension or Adjournment of the Meeting. No 1/2 Suspension is only in order at the end of a session. Adjournment, at the end of the last scheduled committee session.
Caucus No 1/2 Informal Session for a specific purpose and time.
Closure of Debate 2 con 2/3 Brings a resolution, an amendment or agenda selection to an immediate vote.
Postponement of Debate 1 pro, 1 con 2/3 Applicable to amendments and topic areas (once a resolution has failed).
Divison of the Question 1 pro, 1 con 1/2 Allows voting on parts of resolutions separately; must be accompanied by a specific scheme for division.
Introducing Amendments separate speakers list 1/2 Amendments must have the requisite number of signatures and be signed by the Chair before introduction.
Introducing Resolutions continue speakers list 1/2 Resoultions must have the requisite number of signatures and be signed by the Chair before introduction.
Resumption of Debate 1 pro, 1 con 1/2 Resumes discussion on a topic area or amendment which was postponed.