units	Specifies the units of a parameter or measurement element.

id                  	Specifies an unique identifier for this element.
idref               	Specifies a reference to the element with the matching <a href=&quot;"idAttribute.

<description>         	Description of the units.
<history>             	Specifies the units history.
<deprecated>          	Specifies that the contents of this element should be marked as deprecated.
<specreference>       	Specification reference for this units.
