Answer: Task group
Explanation:
Task group is the collection of people or members in the field of business who have charge of fulfilling their duties and responsibilities in that particular group by making contribution towards the aim the group wants to achieve. Members works togather at their specific parts.
According to the question, members of the organization are provided their certain duties in the meeting for changing the structure. The meeting stops where the duties are assigned to every department's member so that all work to achieve desired goal.