火

1. Origins, structure, and basic meaning

• Structure: 火 is read as ひ and means “fire” and “flame”.
• Basic usage: It refers to a fireplace flame lighting a room and a candle flame being extinguished.

2. Common pitfalls and similar expressions

• 火が照らす / 火を消す
  • Use 火が照らす when the flame acts and 火を消す when it is extinguished.