Macbeth already had plans to murder Macduff after his encounter with the Witches (4.1.83), but Macduff's trip to England so antagonizes Macbeth that he orders the slaughter of Macduff's entire household, culminating in this horrifying scene.
trackball-Computer Definition. A stationary pointing device that contains a movable ball rotated with the fingers or palm. From one to four keys are located in various positions depending on the unit.rackball-Computer Definition. A stationary pointing device that contains a movable ball rotated with the fingers or palm. From one to four keys are located in various positions depending on the unit.
Other Pointing Devices. What is a trackball? Stationary pointing device with a ball on its top. To move pointer, rotate ball with thumb, fingers, or palm of hand. What is a touchpad? Small, flat, rectangular pointing device sensitive to pressure and motion. What is a pointing stick? Pointing device shaped like pencil eraser positioned between keys on keyboard