Question

the identification of lines and symbols on a construction drawing is called the

key

legend

scale

specification

Explanation:

In construction drawings, a legend is used to identify lines and symbols. It provides a guide to understand what each graphical element represents. A key is also sometimes used synonymously, but legend is more common in this context. A scale relates to the size - relationship between the drawing and the actual object, and a specification is about detailed requirements for materials, workmanship, etc.

Answer:

B. legend