Bureaucracy: Bureaucracy refers to large administrative systems within executive departments that help carry out policies set by Congress. It involves hierarchical structures with multiple levels of authority.
Cabinet Members: Cabinet members are appointed by the President to lead executive departments. They serve as advisors on policy matters related to their respective department's area.
Regulatory Agencies: Regulatory agencies exist within some executive departments (e.g., Environmental Protection Agency) and have specific authority granted by Congress to regulate certain industries or activities.