<http://schema.org/description>
"Dictionary Definition\nTo fret: verb \n1.\tbe constantly or visibly anxious\n2.\tgradually wear away (something) by rubbing or gnawi..."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.huffingtonpost.co.uk/natalie-savvides/fretting-is-it-really-wor_b_11988876.html>