| A | B |
|---|
| Electrical plans | Engineered drawings that show all electrical supply and distribution. |
| Elevation drawing | Side view of a building or object, showing height and width. |
| Engineer | A person who applies scientific principles in design and construction. |
| Engineer’s scale | A straightedge measuring device divided uniformly into multiples of 10 divisions per inch so drawings can be made with decimal values. |
| Floor plan | A drawing that provides an aerial view of the layout of each room. |
| Foundation plan | A drawing that shows the layout and elevation of the building foundation. |
| Hidden line | A dashed line showing an object obstructed from view by another object. |
| Isometric drawing | A three-dimensional drawing of an object. |
| Leader | In drafting, the line on which an arrowhead is placed and used to identify a component. |
| Legend | A description of the symbols and abbreviations used in a set of drawings. |
| Mechanical plans | Engineered drawings that show the mechanical systems, such as motors and piping. |
| Metric scale | A straightedge measuring device divided into centimeters, with each centimeter divided into 10 millimeters. |
| Not to scale (NTS) | Describes drawings that show relative positions and sizes. |
