What does an editor do? How does he or she fill the day? The answer depends, varying by medium, on where the editor is in the hierarchy of his or her organization and, perhaps, on the particular priorities of the employer. While it might be difficult to categorize the roles and responsibilities of digital editors, identifying their shared skill sets is a simpler matter, and it is the focus of this chapter. “Editing” refers to a large and diverse group of activities unified by their purpose, which is to deliver or present accurate, compelling, engaging information that serves the interactor.