The utilities domain elements represent common features of a language that might not necessarily be semantic, such as image maps.
<area> element describes a linkable area within an <imagemap>. It allows the author to specify a shape within the image, the coordinates of that shape, and a link target for the area.<coords> element specifies the coordinates of a linkable region in an <imagemap>.<imagemap> element supports the basic functionality of the HTML "client-side" image map markup. <imagemap> allows you to designate a linkable area or region over an image, allowing a link in that region to display another topic. <shape> element defines the shape of a linkable area in an <imagemap>.<sort-as> element provides text that is combined with the base sort phrase to construct the effective sort phrase. The text can be specified in the content of the <sort-as> element or in the @value attribute on the <sort-as> element. The <sort-as> element is useful for elements where the base sort phrase is inadequate or non-existent, for example, a glossary entry for a Japanese Kanji phrase.