K​embaraXtra-Computer Terms – blink:
To blink in computing means for a display element to flash repeatedly between visible and invisible states. This visual effect is often used to attract the user’s attention to a particular item on the screen.
Elements such as text cursors, insertion points, warning messages, or menu selections may blink to indicate activity or highlight important information. In many graphical user interfaces, the blinking behavior can be adjusted by the user.