brief overview; heads-up; brief discussion
Business context: a short preliminary explanation or summary before a meeting or presentation.
Before the meeting, I'll give a brief overview of the agenda.
Standard kanji spelling.
Mixed kanji-kana spelling; less common but acceptable.
Compound of 頭 (atama, 'head') + 出し (dashi, nominalized form of 出す, 'to put out'). Literally 'putting out the head', referring to bringing something to the forefront or starting position.