chatter vs talking

chatter and talking both are nouns.

Word	Noun	Adjective	Verb	Adverb
chatter	Yes	No	Yes	No
talking	Yes	No	No	No

As nouns, talking is a hypernym of chatter; that is, talking is a word with a broader meaning than chatter:

Other hypernyms of chatter include talk.

chatter (noun)	talking (noun)
noisy talk	an exchange of ideas via conversation
the high-pitched continuing noise made by animals (birds or monkeys)
the rapid series of noises made by the parts of a machine

chatter (verb)	talking (verb)
speak (about unimportant matters) rapidly and incessantly
talk socially without exchanging too much information
make noise as if chattering away
cut unevenly with a chattering tool
click repeatedly or uncontrollably