広範

1. Origins, structure, and basic meaning

• Structure: 広範 is read as こうはん and means extensive or wide-ranging.
• Basic usage: It modifies either the broad area affected by an event or the breadth of someone’s knowledge.

2. Common pitfalls and similar expressions

• An effect covering a wide area
  • 広範な地域 is the extensive mountain area affected by the heavy rain. Example: 大雨の影響は山間の広範な地域に及んだ。
• Wide-ranging knowledge
  • 広範な知識 describes knowledge that spans many aspects of plants. Example: 彼女は植物について広範な知識を持っている。