computer program vs package

computer program and package both are nouns.

Word	Noun	Adjective	Verb	Adverb
computer program	Yes	No	No	No
package	Yes	No	Yes	No

As nouns, package is a hypernym of computer program; that is, package is a word with a broader meaning than computer program:

computer program: (computer science) a sequence of instructions that a computer can interpret and execute
package: (computer science) written programs or procedures or rules and associated documentation pertaining to the operation of a computer system and that are stored in read/write memory

Other hypernyms of computer program include computer software, software, software package, software program, software system.

computer program (noun)	package (noun)
(computer science) a sequence of instructions that a computer can interpret and execute	a wrapped container
	(computer science) written programs or procedures or rules and associated documentation pertaining to the operation of a computer system and that are stored in read/write memory
	a collection of things wrapped or boxed together

computer program (verb)	package (verb)
	put into a box