noun
public relations; client liaison; external affairs
Refers to the function or department responsible for dealing with outside parties, such as clients, partners, or the public. Common in corporate, governmental, and institutional settings.
彼は渉外担当として海外の取引先と連絡を取っている。
He is in charge of external affairs and keeps in touch with overseas clients.
渉外部に問い合わせてください。
Please contact the public relations department.