On the expanded graph, what is the difference between the Standard and the Averages Mode?

"The Averages mode lets you see blood sugar averages over a period; the Standard mode shows your individual blood sugar readings over a single day. For more information:
1. Go to Main Menu > My Readings.
2. Turn your mobile device sideways or tap the graph at the top of My Readings.
3. Tap the (i) button at the top of expanded graph."