> “A function is like a machine where you put something in one end and something comes out the other end. For example, maybe you put a number in, and the number that is one bigger comes out. So if you put in three, four comes out, or if you put in six, seven comes out.”
Examples are such a useful tool to explain complex subjects and make them approachable.
EXAMPLES is one of the primary categories of man pages. Your broader problem is that "The full documentation for * is maintained as a Texinfo manual", and most people never learned how to access and navigate those.
Examples are such a useful tool to explain complex subjects and make them approachable.