how to clear or remove all the subsequent or child charts when clicked on parent chart

I need to clear all the subsequent or child charts when the parent chart is clicked, what I meant by it is that when I click on the one part of the pie chart , it shows the different chart and it plots other bar charts when clicked on other parts. when I click on the chart is, it displays another bar chart which is subsequent to its parent chart but when I click on again the other part of the pie chart it changes the immediate subsequent chart but not the charts which are subsequent to it.I know my words are kinda making the problem more complex than it is.

I will try to explain the problem with graphs, it would be easier to understand.

could anyone tell me how I could get it done?

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