convey vs bring back

convey and bring back both are verbs.

Word	Noun	Adjective	Verb	Adverb
convey	No	No	Yes	No
bring back	No	No	Yes	No

As verbs, bring back is a hyponym of convey; that is, bring back is a word with a more specific, narrower meaning than convey:

Other hyponyms of convey include fetch, transit, ferry, return, take back, tube, whisk, carry, channel, conduct, convey, impart, transmit, land.

convey (verb)	bring back (verb)
(of information) make known; pass on	call to mind
serve as a means for expressing something	bring back to the point of departure
go or come after and bring or take back
take something or somebody with oneself somewhere
transmit or serve as the medium for transmission
transmit a title or property
transfer to another