board foot. n. pl. board feet Abbr. bd. ft. or BF. A unit of cubic measure for lumber, equal to one foot square by one inch thick. board foot. n (Units) a unit of board measure: the cubic content of a piece of wood one foot square and one inch thick. boardâ² foot` n.
The field SIC Description is related to the field SIC Code, allowing you to store the US Govt classifications on businesses. In their entry on Standard Industrial Classification Wikipedia says: The Standard Industrial Classification (abbreviated SIC) is a United States government system for classifying industries by a four-digit code.
As far as I understand, 'sic' (often stylised as [sic]) notifies that the author has acknowledged and allowed an error to keep the writing intact. It means said in context, and is most commonly used when the author includes a quote in which they felt it was important to keep the original text.