>and others are unrelated to software at all. Your example is software. It is a "screensaver", a program that displays something other than a static image on

>and others are unrelated to software at all. Your example is software. It is a "screensaver", a program that displays something other than a static image on the screen when the computer is idle (which prevented CRT burn-in). Those used to be popular back in the day, and long after few people had CRTs around.