便箋

1. Origins, structure, and basic meaning

• Structure: 便箋 (びんせん) is writing paper or stationery intended for letters.
• Basic usage: 便箋に手紙を書く treats it as the writing surface; 便箋を一枚取り出す treats it as one sheet removed from a drawer.

2. Common pitfalls and similar expressions

• Writing paper intended for letters
  • 便箋 is paper designed for writing letters, distinct from the envelope or a general memo sheet. Individual sheets are counted with 枚.