| A | B |
|---|
| Guide Lines | Lines that are used when lettering to help you keep the lettering uniform in height. |
| Casting | Metal object made by pouring molten metal into a mold. |
| Hidden Lines | Represents edges or outlines not visible in given view, represented by a series of short dashed lines. |
| Sketching | A way to visually express new ideas to solve design problems. |
| Diameter | Distance from center to circle, or an arc, to its circumference. |
| Isometric | Three-dimensional pictorial drawing with horizontal surfaces drawn on 30 degree axes from horizontal. |
| Orthographic | A drawing that represents the exact shape of an object seen from one side at a time as you are looking at it. |
| Civil Engineer | Engineers that design things like buildings, airports, tunnels, dams, bridges, or water supply sewage system. |
| Fixture | Device designed to position and hold a part in a machine tool. |
| Dimension Lines | Denotes the extent of the dimension, use with arrowheads. |
| Angular Dimension | Measured dimensions represented by degrees, minutes, and seconds. |
| Axis | Central line about which parts are arranged, elements may or may not revolve around it. |
| Architect's Scale | The most commonly used scale in drafting. |
| Trim Command | Connects two lines at a corner. |
| CAD | A design tool used by many people throughout the world to produce design drawings. |
| Construction Lines | Represents the outline of the object being drawn. |
| Fillet | Creates a rounded internal or external face along one or more edges in solid or surface feature. |
| CAM | Software used to convert CAD drawings into machine code for use in fabricating a part. |
| Extruded Cut | Cuts a solid model by extruding a sketch profile in one or two directions. |
| Chamfer | Corner removed from end to cylindrical surface, at an angle to face, used to facilitate assembly. |
| Feature | Used to describe the form or shape of an object that has been added to a basic shape. |
| Base Dimension | Exact value of a feature that describes size and location. |
| Section | Interior view of an object drawn to expose features not otherwise visible. |
| Architectural | The art and science of designing buildings and other physical structures. |
| Radius | Distance from center to circle, or an arc, to its circumference, equal to one half of a diameter. |
| Center Lines | Indicates symmetry, center points, or axes, consists of alternating long and short dashes. |
| Auxiliary View | Orthographic view projected off a plane showing true size and shape, shows features appearing on inclined & oblique surfaces. |
