観察

1. Origins, structure, and basic meaning

• Structure: The noun and する verb 観察 (かんさつ) means closely examining and often recording an object's condition or changes.
• Basic usage: The observed target takes を, as in 葉の表面を観察する, and findings are summarized as 観察結果.

2. Common pitfalls and similar expressions

• Examining and recording details
  • It is a purposeful examination of features and changes, more than a brief glance.