整頓

1. Origins, structure, and basic meaning

• Structure: 整頓 is read as せいとん and is a noun and する verb for arranging objects neatly by place or category.
• Basic usage: Use the active 机の上を整頓する for the task and the passive 道具が整頓される for the resulting organized state.

2. Common pitfalls and similar expressions

• Difference from 整理
  • 整理 can include sorting or discarding, while 整頓 focuses on placing retained items neatly.
• Active task and resulting state
  • を整頓する is a person's organizing action; が整頓されている describes objects left in orderly arrangement.