訪問

1. Origins, structure, and basic meaning

• Structure: 訪問 (ほうもん) combines calling on 訪 and inquiry 問 to denote a visit.
• Basic usage: It applies to a planned trip to a client's factory and an organized school visit.

2. Common pitfalls and similar expressions

• The act and the scheduled visit
  • 訪問する presents the visitor's action, while noun 訪問 can name the event for which hosts prepare.