packet vs message

packet and message both are nouns.

Word	Noun	Adjective	Verb	Adverb
packet	Yes	No	No	No
message	Yes	No	Yes	No

As nouns, message is a hypernym of packet; that is, message is a word with a broader meaning than packet:

packet: (computer science) a message or message fragment
message: a communication (usually brief) that is written or spoken or signaled

packet (noun)	message (noun)
a small package or bundle	content communicating a message; what something is about
a boat for carrying mail	a communication (usually brief) that is written or spoken or signaled
(computer science) a message or message fragment
a collection of things wrapped or boxed together