On the Home screen, the two big numbers in bold, show your daily average systolic and your average diastolic blood pressure value of the measurements taken until now.
Swiping up on the Home screen will show a Trends section. Here you can see:
The amount of time your Blood Pressure is in range. For a more detailed explanation, select the drop-down arrow.
An average of your resting heart rate for the day.
And, if you have set your sleeping schedule, you can see your BP averages for the day and the night.