壁

1. Origins, structure, and basic meaning

• Structure: 壁, read かべ, denotes a physical wall dividing space or a figurative barrier to communication or achievement.
• Basic usage: It names a physical wall beside a desk and the figurative barrier between different languages.

2. Common pitfalls and similar expressions

• Physical structure and figurative barrier
  • The physical structure blocking space extends to an obstacle that hinders achievement or communication.