I'm frustrated that the plots are not accompanied by definitions. In the US population charts, what is meant by divorce rate? Also I have no idea what "currentl

I'm frustrated that the plots are not accompanied by definitions. In the US population charts, what is meant by divorce rate? Also I have no idea what "currently married" means.[1] [1] http://usafacts.org/us-population http://usafacts.org/us-population