+An **isoline** is a line on a [Map](/wiki/map) connecting points of equal value. These lines visualize continuous data across a surface, revealing patterns and [Gradient](/wiki/gradient) in an easily interpretable form.
+## See also
+- [Contour](/wiki/contour)
+- [Cartography](/wiki/cartography)
+- [Data Visualization](/wiki/data_visualization)
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