Translation

軽く触れられた / 端的に言及された / かいつまんで述べられた

Meaning

Spoken or written about in a short, passing manner without detailed discussion. It means the topic was brought up, but only for a moment before moving on to something else.

Examples

• The professor briefly mentioned the upcoming exam at the end of the lecture.
  The professor briefly mentioned the upcoming exam at the end of the lecture.
• My boss briefly mentioned that a new project might start next month.
  My boss briefly mentioned that a new project might start next month.