The legend identifies patterns used for each series.
legend
The legend is the function that identifies the data marker for each series in a chart.
This reference element is called a key.
it it a Legend
The legend identifies the colors that represent the bars.
legend
It is called the "key".
Name box
legend
Tip text, identifying the series, the point and the value of the data, or the name of an element, such as an axis or the wall of the chart.
legend
legend