The document is from Trinity Institute of Professional Studies and discusses management. It defines management as the process of getting things done effectively and efficiently through planning, organizing, staffing, directing and controlling. It provides definitions of management from various authors and discusses the key functions of management - planning, organizing, staffing, directing, and controlling. For each function it provides a brief explanation of what it entails, such as planning involving setting objectives and targets, organizing involving assigning duties and allocating resources, and controlling involving monitoring performance.