What can be changed once we have created a chart?

Formatting for text like titles and data labels

The correct answer is option 1- Formatting for text like titles and data labels.

In a chart (like in Microsoft Excel), we can format text elements such as Chart titles, Axis titles, Data labels, Legends. We can change the font style, size, color, alignment, and more. This is a common and useful way to make charts clearer and more visually appealing.