What is used so a reader can understand the symbols used in the sketch?

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Multiple Choice

What is used so a reader can understand the symbols used in the sketch?

Explanation:
The legend (key) is what translates the marks on the sketch into meaning. It lists each symbol, color, and line style and tells you what it represents, so readers can understand what objects, features, or measurements stand for—without guessing. In crime scene or CSI sketches, the legend might define symbols for items found, distances, or types of evidence, ensuring everyone reads the drawing the same way. Without it, symbols become ambiguous. Other elements like scale show size, the compass shows direction, and the title block holds metadata; they support the drawing but don’t explain the symbols themselves.

The legend (key) is what translates the marks on the sketch into meaning. It lists each symbol, color, and line style and tells you what it represents, so readers can understand what objects, features, or measurements stand for—without guessing. In crime scene or CSI sketches, the legend might define symbols for items found, distances, or types of evidence, ensuring everyone reads the drawing the same way. Without it, symbols become ambiguous. Other elements like scale show size, the compass shows direction, and the title block holds metadata; they support the drawing but don’t explain the symbols themselves.

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