<http://schema.org/description>
"Arrays arrange data into a certain rectangular shape. In APL, the shape of an array is a vector --- yes, in APL, shapes are also arrays --- that describes the number and size of layout in terms of dimensions. All..."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.sacrideo.us/apl-a-day-3-arrays-have-shape/>