The document discusses the structure of the US federal bureaucracy. It outlines that there are four main types of federal administrative organizations: cabinet-level departments, independent agencies, regulatory boards and commissions, and government corporations. It also discusses some key aspects of bureaucracy, including that bureaucracies operate via hierarchies, specialization, and explicit rules. Max Weber's model of bureaucracy emphasizes hierarchy, specialization, and standardization. The roles of administrators, rule makers, and judges within bureaucracies are also outlined.