What happens if you define a function but do not call it?

Defining a function involves creating a block of code that can perform a specific task when executed, but it does not initiate any action on its own. If a function is defined but never called, the script will compile and run without any errors, but the code within that function will remain dormant. This means that the function will not execute at any point during the program's execution, leading to the conclusion that the function, while defined, will indeed never run unless explicitly invoked elsewhere in the program. Thus, the statement is accurate as it reflects the fundamental behavior of function definitions in programming: they need to be called to perform their designated tasks.