information vs message

information and message both are nouns.

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

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

Other hypernyms of information include content, subject matter, substance.

information (noun)	message (noun)
(communication theory) a numerical measure of the uncertainty of an outcome	content communicating a message; what something is about
knowledge acquired through study or experience or instruction	a communication (usually brief) that is written or spoken or signaled
a message received and understood
formal accusation of a crime
a collection of facts from which conclusions may be drawn