lecture

1. Origins, structure, and basic meaning

• Structure: The on reading is こう. It has 17 strokes and relates to presenting knowledge or a subject to an audience.
• Basic usage: 講義 is read こうぎ, and 講演 is read こうえん.

2. Common pitfalls and similar expressions

• 講義 and 講演
  • 講義 means lecture. It is structured instruction on a subject, typically given as part of a school or university course.
  • 大学で経済の講義を受けた。 means “I attended an economics lecture at the university.”
  • 講演 means lecture. It is a public talk delivered to an audience on a particular topic.
  • 大学で環境問題について講演した。 means “I gave a lecture at the university about environmental issues.”