Elements: Legend
A Legend explains the colors or symbols used in a chart or map. In this Chart, the legend gives each Month (Oct., Nov., Dec.) a different color.
3.
Try it: Show the Legend
The Chart
on Slide 2 is still selected.
Go to Chart Elements->Legend.
Select an option: Top.
The Legend can be placed Right, Top, Left and Bottom. There are More Options as well.
Keep
going...