+The **real axis** is the horizontal [number line](/wiki/number_line) within the [complex plane](/wiki/complex_plane). It represents all [real numbers](/wiki/real_number), where the imaginary component is zero.
+## See also
+- [Imaginary Axis](/wiki/imaginary_axis)
+- [Complex Number](/wiki/complex_number)
+- [Real Number](/wiki/real_number)