A class or lesson conducted over the internet using communication tools (e.g. Zoom, Teams), where participants join remotely.
今学期はコロナの影響でオンライン授業が中心になった。
This semester, due to COVID, classes are mainly being held online.
明日のオンライン授業のリンクはメールで送りますので、時間までに接続してください。
I'll send the link for tomorrow's online class by email, so please connect by the scheduled time.
対面授業と比べて、オンライン授業は集中力を保つ工夫が必要だ。
Compared with in-person classes, online classes require measures to maintain concentration.