““What goals do users want to achieve by using the application? What set of human tasks is the application intended to support? Which tasks are common, and which ones are rare? Which tasks are most important, and which ones are least important? What are the steps of each task? What are the result and output of each task? Where does the information for each task come from? How is the information that results from each task used? Which people do which tasks? What tools are used to do each task? What problems do people have performing each task? What sorts of mistakes are common? What causes them? How damaging are mistakes? What terminology do people who do these tasks use? What communication with other people is required to do the tasks?””
