+A **straight line** is a fundamental, infinite figure without curves, representing the shortest distance between any two [Point](/wiki/Point)s. In [Plane](/wiki/Plane) geometry, it is a one-dimensional path extending endlessly in opposite directions, a cornerstone of mathematical understanding.
+## See also
+- [Vector](/wiki/Vector)
+- [Slope](/wiki/Slope)
+- [Euclidean Geometry](/wiki/Euclidean_Geometry)
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