What is another word for subprogram?
Pronunciation: [sˈʌbpɹə͡ʊɡɹˌam] (IPA) 
A subprogram is a series of instructions that performs a specific task within a larger program. In programming, subprograms can be called functions, procedures, routines or subroutines, depending on the language being used. Functions return a value, while procedures do not. A routine is a sequence of instructions that can be called repeatedly, while a subroutine is a function that is called by another function. Other synonyms for subprogram include subfunction, subroutine, and nested function. These terms are all used to describe a block of code that can be called and executed within a larger program, making it more efficient and easier to manage.
