How should Azure management groups and subscriptions be structured for a large enterprise environment?

A well-designed Azure hierarchy provides the foundation for governance, security, billing, and policy management at enterprise scale. Explore how management groups, subscriptions, resource groups, and resource organization can be structured around business units, environments, regulatory boundaries, or workload ownership. Consider Azure Policy, RBAC, cost management, and centralized governance when designing the hierarchy. This discussion helps aspiring Cloud Architects understand why Azure architecture involves governance and organizational design—not just deploying resources.