要衝

1. Origins, structure, and basic meaning

• Structure: 要衝(ようしょう) is a location of particular importance for transportation or strategy.
• Basic usage: It states that the port was an important point in maritime transportation.
  • その港は古くから海上交通の要衝だった。

2. Common pitfalls and similar expressions

• Transportation and military contexts
  • 交通の要衝 denotes a key transportation location. The word also occurs in military contexts, but is not limited to military facilities.
• A key place and a main point
  • 要衝 refers to an important place, whereas 要点(ようてん) refers to the main point of an explanation or issue.