If a Program is not responding, it means that a problem has occurred in the program and it is, therefore, interacting more slowly than usual with Windows. You can choose to wait for it to start ...
When the System UI stops working on your Android device, you may experience problems such as the screen freezing, apps closing, buttons not responding, problems with notifications, or even the device ...
Recently I was on a Zoom call with a faculty member, and we started talking about the notion of responding rather than reacting. Reacting elicits emotion; responding puts you in charge of a situation.