Different chart elements can be added to a chart to help you clarify your data: from trendlines, to axis lines, from data labels and data series to data tables and plot. Chart elements support different features such as live preview and built-in chart type awareness to automatically update itself and provide the most applicable set of options based on the chart type. You can access the chart elements in the format pane.
With the Control+C method, you copy the text. With the Control+V method, you paste it. You do not remove any of the text and instead create a duplicate