What do you call the date range slider bar underneath a time series chart?

Question

What's the name of a slider bar, underneath a chart, that determines date range, that the chart is showing? The one I circled in pink.

Answer 1

If there is a data preview, this is sometimes known as a navigator.

For highcharts, when there is a preview of a larger data set, this is called a navigator:

The navigator is a small series below the main series, displaying a view of the entire data set. It provides tools to zoom in and out on parts of the data as well as panning across the dataset.

Here's another example: