範囲

1. Origins, structure, and basic meaning

• Structure: The written form is 範囲, read はんい. Elements associated with a boundary and an enclosed area combine to denote the limits of application or reach.
• Basic usage: 試験の範囲 marks the limits of material to study, while 声が届く範囲 marks the physical reach of a voice.

2. Common pitfalls and similar expressions

• Scope of material
  • It limits the material included, such as the part of a textbook covered by a test. Example: 試験の範囲は教科書の五十ページまでです。 — The test covers the textbook through page fifty.
• Reachable area
  • It also describes an area reached by a function such as hearing a voice, not only a numerical interval. Example: 声が届く範囲に全員が集まった。 — Everyone gathered within hearing range.