<http://schema.org/description>
"British researchers say people can help others focus or concentrate by speaking more loudly or more clearly."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.upi.com/Health_News/2013/05/24/Speaking-loudly-clearly-may-help-other-concentrate/UPI-79961369435782/?spt=hs&or=hn>