Which is not the Elements of a Chart/graph?

The correct answer is Option (4) → Rows and Column

The elements of a chart are the parts of the chart itself. Rows and columns belong to the worksheet that holds the data, not to the chart drawn from it.

Option (1) The plot area An element of a chart. It is the area bounded by the axes, where the data are drawn.

Option (2) The data points An element of a chart. They are the individual values plotted as bars, columns, lines or slices.

Option (3) The legend An element of a chart. It identifies each data series or category shown.