ParametricPlot

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ParametricPlot[{$f_x$, $f_y$}, {u, $u_{min}$, $u_{max}$}]

plots a parametric function f with the parameter u ranging from $u_{min}$ to $u_{max}$.

ParametricPlot[{{$f_x$, $f_y$}, {$g_x$, $g_y$}, ...}, {u, $u_{min}$, $u_{max}$}]

plots several parametric functions f, g, ...

ParametricPlot[{$f_x$, $f_y$}, {u, $u_{min}$, $u_{max}$}, {v, $v_{min}$, $v_{max}$}]

plots a parametric area.

ParametricPlot[{{$f_x$, $f_y$}, {$g_x$, $g_y$}, ...}, {u, $u_{min}$, $u_{max}$}, {v, $v_{min}$, $v_{max}$}]

plots several parametric areas.

NumberLinePlot
PieChart