The document discusses controlling as a function of management. It describes perspectives on control including ensuring outcomes are as planned by comparing performance to standards. It also covers challenges managers face in controlling like coping with uncertainty. The purpose of control is outlined as helping the organization adapt to change, limit errors, and minimize costs. The steps in the control process are established standards, measure performance, compare to standards, and determine if corrective action is needed. Different types of control are described like preliminary and feedback control. Lastly, the characteristics of an effective control system are discussed as being accurate, timely, objective, and flexible.