Design & Drafting Technology Unit 6 Terms & Definitions Design & Drafting Technology Unit 6
ANSI (American National Standards Institute) An association formed by an industry and the U.S. Government to produce and disseminate drafting and manufacturing standards Example: ANSI Y14.1--Drawing Sheet Size and Format
Change Order And approved engineering change on an existing drawing
Drawing Graphic and lettered information on an original media surface
Format The specific arrangement of data for a list or report Example: A pre-printed drawing border, title block
Model An accurate three-dimensional representation of a part or assembly
Revision A correction made on a drawing to reflect a needed change
Symbols Sets of primitive graphic entities, points, arcs, circles, and text that are grouped together as a unit; may be combined or nested to form larger units or drawings