is an option for graphics functions that specifies an overall label for a plot.
- PlotLabel->None specifies that no label should be given.
- PlotLabel->label specifies a label to give.
- Any expression can be used as a label. It will be given by default in TraditionalForm. Arbitrary strings of text can be given as "text". »
- PlotLabel->StandardForm[expr] will give a label in standard Wolfram Language form. »
Introduced in 1988