noun
superscription; address on an envelope
Refers to the text written on the outside of an envelope or package, such as the recipient's address. Common in postal and formal contexts.
封筒の外書きには、相手の住所と名前を丁寧に書いてください。
Please write the recipient's address and name neatly on the superscription of the envelope.
noun
external text; external entry
Used for text or entries that appear outside the main body, such as marginal notes, external references, or supplementary information in documents.
この書類では、外書きに補足情報が記載されている。
In this document, supplementary information is provided in the external text.