Trade Terms

CAD

The making of a set of construction drawings with the aid of a computer

Blueprint

A traditional method of reproducing technical drawings using a contact print process and light-sensitive paper that resulted in white lines on a blue background. Also, the traditional name used to describe construction drawings.

Specifications

precise written presentation of the details of a plan

Drawing revision control

A system for recording, documenting, and identifying revisions by using a numeric or alphabetic sequence

Title block

A part of a drawing sheet that includes some general information about the project

Drawn by

Initials of the person who drafted the drawing

Drawing card

Code numbers assigned to a project

Scale

The ratio of the size of the object as drawn to the object's actual size

Company logo

Usually preprinted on the drawing

Drawing number

Code numbers assigned to a project

Legend

The identification of these lines and other symbols

North arrow

An arrow to reference where everything is