👉 Subfunctional, in the context of computer science and programming languages, refers to a function or method that can be called within another function but not from it. In other words, a subfunction is a function that performs an action on an input parameter (the "source" parameter) without passing any data back to the caller. This allows for more efficient use of resources by reducing the number of calls required to perform a task. For example, let's say we have a function `myFunction`