A system, structure, or organization (often referring to political or organizational setup).
新しい体制のもとで改革が進められる。
Reforms will be carried out under the new system.
緊急対策のための体制を整えた。
They set up a system for emergency measures.
会社の体制が変わったため、担当が移った。
Because the company's structure changed, responsibilities were reassigned.