This is the 17174th most frequent Korean word.
서면으로
"서면으로" means "in writing" or "by written form."
Here, '서면으로' signifies 'in written form,' referring to the format of drafting the contract.
서면으로 계약서를 작성하세요.
Please draft the contract in written form.
In this sentence, '서면으로' means 'in written form,' indicating how the responses should be provided.
서면으로 답변을 보내주시기 바랍니다.
We kindly request you to send responses in written form.
Here, '서면으로' is used to request confirmation of a promise through a written document.