If hierarchical dimensions are included in a chart, you can drill up or down through
dimensions on the Chart Canvas to explore the data at different levels. If the chart
contains more than one hierarchical dimension, you can select which dimension to
drill into. You can use the drill back
icon to
undo the drill operation and restore the chart to its original state.
applying a filter
When you drill, a filter token may appear above the chart, or the filter may be added to an existing filter token.