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.
What is the difference between 4,6,8 digit SIC codes? Standard Industrial Classification (SIC) codes are four digit numerical codes assigned by the U.S. government to business establishments to identify the primary line of business of the establishment.