English in business usage, especially the styles and forms of business correspondence.
The ‘Fan Kwae’ at Canton Before Treaty Days 1825-1844 William C. Hunter
a postal envelope for standard-size business letters 8½ × 11 inches (20 × 28 cm), measuring about 4½ × 9 inches (11 × 23 cm).
the methods and technologies that gather, store, report, and analyze business data to help people make business decisions: business intelligence software; business intelligence tools. the data gathered by these methods: Our operations decisions are driven by business intelligence. Abbr.: BI. noun Usage Note
a machine for expediting clerical work, as a tabulator or adding machine. Historical Examples Love Letters of Nathaniel Hawthorne, Volume I (of 2) Nathaniel Hawthorne