Shows the number of customers that you have serviced multiple times in a 2 year period, with a Residential and Commercial breakdown. In many industries this two year window helps identify whether you "retained" the customer or not.
As mentioned above, Residential (blue) and Commercial (green) clients are separated out
Larger number shows the % of your active customers that have repeat business.
"Active customers" in this case refers to active residential customers or active commercial customers depending on which you are viewing
Hovering over this number shows you the count of repeat clients
Smaller number below shows growth (green) or decline (red) of repeat customers since the previous time period. If no number is visible that means there is no data yet to compare against
If you have further questions about your repeat rate, check out this blog post!