1. Design & Drafting Technology Unit 6
Terms & Definitions
Design & Drafting Technology
Unit 6

2. 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

3. Change Order
And approved engineering change on an existing drawing

4. Drawing
Graphic and lettered information on an original media surface

5. Format The specific arrangement of data for a list or report
Example: A pre-printed drawing border, title block

6. Model
An accurate three-dimensional representation of a part or assembly

7. Revision
A correction made on a drawing to reflect a needed change

8. 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