adverb (r)

• for a short time(adv.all)

  Example:
  She visited him briefly.
  Was briefly associated with IBM.
  

  Synonym:
  awhile, for a while, shortly
  

  source: wordnet30
• in a concise manner; in a few words(adv.all)

  Example:
  She replied briefly.
  Briefly, we have a problem.
  

  Synonym:
  concisely, in brief, in short, shortly
  

  source: wordnet30
• Concisely; in few words.(adverb)

  source: webster1913