briefly vs concisely

briefly and concisely both are adverbs.

Word	Noun	Adjective	Verb	Adverb
briefly	No	No	No	Yes
concisely	No	No	No	Yes

As adverbs, briefly and concisely are synonyms defined as:

Other synonyms of briefly include in brief, in short, shortly.

briefly (adverb)	concisely (adverb)
for a short time	in a concise manner; in a few words
in a concise manner; in a few words