The plus icon is actually a fly-out menu called Chart Elements.
When you choose the icon, you’ll see a list of common chart elements displayed as checkboxes.
This menu lets you quickly enable and disable chart elements.
The menu actually has two levels.
To access a second level smack the arrow to the right of a given element.
Excel will then display a menu of available sub options.
The paint brush icon is named chart styles and lets you access chart styles and colors.
Use the scrollbar to see your chart previewed with each style.
And then just click to apply a style.
The Paintbrush icon also allows you to apply color schemes.
tap the color tab to see the colors available.
To apply, just select and click away from the chart.
Finally, the filter icon is called Chart Filters.
This menu lets you filter the data is displayed in the chart.
you’re free to use the filter icon to add or remove both Data series and individual categories.
The automatic preview will show you items in the chart as you hover over them.
hit the Apply button to make a change.
