双方向

1. Origins, structure, and basic meaning

• Structure: Written 双方向 and read そうほうこう, it describes communication or interaction that can move in both directions.
• Basic usage: It applies to dialogue between instructor and participants and to a terminal supporting two-way communication.

2. Common pitfalls and similar expressions

• Not one-way delivery
  • Each side can send and respond rather than remaining permanently sender or receiver.