往復

1. Origins, structure, and basic meaning

• Structure: 往復 is read as おうふく and is a noun and する verb for a round trip from a starting point to a destination and back.
• Basic usage: A round trip between two places appears in 家と駅の間を往復する, while returning the same day appears in 一日で往復する.

2. Common pitfalls and similar expressions

• Outward and return travel as one unit
  • It covers the complete movement from the starting point to the destination and back, not travel in only one direction.
• Difference from 片道
  • 片道 is a one-way journey from start to destination, while 往復 includes both the outward and return journeys.