The term PC PANIC KEY is composed of three parts: PC, PANIC, and KEY. The crossword solution for this term is ESC, which stands for Escape. ESC is a KEY on a computer keyboard that is used to interrupt or abort a command or process. It is also used to exit out of a program or application. In the context of PC PANIC KEY, it is used to quickly exit out of a program or application in order to avoid any potential PANIC or distress.