Icon with clock or time display and octagon, figure with eight straight sides. Used in scheduling, chronological operation, time tracking, duration controls, real-time display, and temporal management systems. Represents stop signals, important notices, or system controls. Used in status visualization interfaces, control systems, and information hierarchies emphasized within an octagon/stop shape. Also used in scheduling, chronological operation, time tracking, duration controls, real-time display, and temporal management systems.