実演

1. Origins, structure, and basic meaning

• Structure: 実演 is a noun and する verb for showing something through actual performance and is read じつえん.
• Basic usage: The demonstrator uses 技を実演する, while an observer uses 実演を見る.

2. Common pitfalls and similar expressions

• Performance and observation
  • The person demonstrating marks the technique with を in 技を実演する, while the learner watches it in 実演を見る.
• Difference from 説明
  • 説明 focuses on explaining a method in words, while 実演 focuses on showing the actual action or technique.