詳しい

1. Origins, structure, and basic meaning

• Structure: 詳しい(くわしい) is an adjective meaning detailed or knowledgeable about a subject.
• Basic usage: It is used for detailed procedural information and for subjects someone knows well.

2. Common pitfalls and similar expressions

• Detailed information
  • 詳しい内容 modifies a noun and means detailed information.
• に marks the subject known well
  • 建物に詳しい means being knowledgeable about buildings.
  • に marks the field or subject of knowledge.