program vs function

program and function both are nouns.

Word	Noun	Adjective	Verb	Adverb
program	Yes	No	Yes	No
function	Yes	No	Yes	No

program (noun)	function (noun)
a performance (or series of performances) at a public presentation	the actions and activities assigned to or required or expected of a person or group
a series of steps to be carried out or goals to be accomplished	what something is used for
a system of projects or services intended to meet a public need	a set sequence of steps, part of larger computer program
an announcement of the events that will occur as part of a theatrical or sporting event	a formal or official social gathering or ceremony of people
a radio or television show	a formal or official social gathering or ceremony
(computer science) a sequence of instructions that a computer can interpret and execute	(mathematics) a mathematical relation such that each element of a given set (the domain of the function) is associated with an element of another set (the range of the function)
a document stating the aims and principles of a political party	a relation such that one thing is dependent on another
an integrated course of academic studies

program (verb)	function (verb)
arrange a program of or for	perform duties attached to a particular office or place or function
write a computer program	perform as expected when applied
	serve a purpose, role, or function