handle vs talk about

handle is a noun but talk about is not a noun.

Word	Noun	Adjective	Verb	Adverb
handle	Yes	No	Yes	No
talk about	No	No	Yes	No

As verbs, talk about is a hyponym of handle; that is, talk about is a word with a more specific, narrower meaning than handle:

Other hyponyms of handle include theologise, theologize, discourse, discuss.

handle (noun)	talk about (noun)
the appendage to an object that is designed to be held in order to use or move it

handle (verb)	talk about (verb)
act on verbally or in some form of artistic expression	to consider or examine in speech or writing
touch, lift, or hold with the hands	discuss or mention
handle effectively
show and train
be in charge of, act on, or dispose of
interact in a certain way