印章

1. Origins, structure, and basic meaning

• Structure: 印章 is read as いんしょう and is a noun for a seal stamped on a document or carved from material.
• Basic usage: A seal stamped on a document appears in 印章が押される, while a seal carved from stone appears in 印章を石から彫る.

2. Common pitfalls and similar expressions

• Stamping and making the seal
  • 押す stamps the seal, whereas 彫る makes the seal itself.
• Difference from 印
  • 印章 specifically denotes a seal used for stamping rather than a mark in general.