Redo is a term commonly used in computing and editing to describe the action of reversing the last undo operation. When a user makes a mistake and then undoes it, they can use the redo function to restore the previous state. This feature is essential in software applications like word processors and graphic design tools, allowing for greater flexibility and control over changes. In many programs, the redo command can be accessed through a menu option or a keyboard shortcut, often represented by the symbol of a circular arrow pointing to the right. This functionality enhances user experience by enabling quick corrections and adjustments without losing previous work.