business office(n = noun.artifact) office - place of business where professional or clerical duties are performed; "he rented an office in the new building"
is a kind of business establishment, place of business
is a part of office block, office building
has particulars: box office, ticket booth, ticket office, countinghouse, government office, central office, headquarters, home base, home office, main office, life office, loan office, newsroom, shipping office

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