黒字

1. Origins, structure, and basic meaning

• Structure: 黒字 is read as くろじ and can mean a profit or black lettering.
• Basic usage: Context distinguishes a positive financial balance from text printed in black.

2. Common pitfalls and similar expressions

• Showing a financial profit
  • 黒字になる means that the income-and-expense calculation results in a small profit. Example: 架空の店の収支を計算すると少し黒字になりました。
• Describing the color of text
  • 黒字で印刷される means that the instructions are printed in black on white paper. Example: 注意事項は白い紙に黒字で印刷されています。