Caliper Mapping and Transportation Glossary

DEFINITION

What is a callout line?

A line on a map connecting a label to its geographic location, typically used when there is not enough room to display the label at the feature location.

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What is a callout line

Callout lines are used in this map where there is not enough room to show the labels for Essen, Gelsenkirchen, and Bochum at their true locations.