講演

1. Origins, structure, and basic meaning

• Structure: 講演, read こうえん, denotes a structured talk in which a speaker explains a subject to an audience.
• Basic usage: It refers to a talk on environmental issues at a university and the event followed by a question period.

2. Common pitfalls and similar expressions

• An explanatory talk for an audience
  • It is closer to a structured talk delivered to an audience than to an entire interactive class.