空白

1. Origins, structure, and basic meaning

• Structure: In 空白 (くうはく), empty 空 and blank 白 combine to denote a blank or gap.
• Basic usage: 空白 can denote an empty area in text or space, as well as a period lacking records or activity.

2. Common pitfalls and similar expressions

• Blank space and a gap in time
  • The noun after 空白の and the predicate with 空白が distinguish the physical and abstract senses.