東西

1. Origins, structure, and basic meaning

• Structure: 東西 is read as とうざい and is a noun meaning east and west, and in cultural contexts Eastern and Western worlds.
• Basic usage: Dividing a town by direction appears in 町を東西に分ける, while cultural regions appear in 東西の文化.

2. Common pitfalls and similar expressions

• Directions and cultural regions
  • It can describe a spatial east-west axis or, depending on context, a contrast and meeting of Eastern and Western cultures.
• Difference from 南北
  • 東西 names the east-west axis, whereas 南北 names the north-south axis.