These pages outline the chart configuration options, and the methods and properties of Highcharts objects.
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A text description of the chart.
If the Accessibility module is loaded, this option is included by default as a long description of the chart in the hidden screen reader information region.
Note: Since Highcharts now supports captions and linked descriptions,
it is preferred to define the description using those methods, as a
visible caption/description benefits all users. If the
accessibility.description option is defined, the linked description
is ignored, and the caption is hidden from screen reader users.