{{UMM|Managing the control relation in the metamodel requires to introduce a relation block „CONTROL“ with two metaproperties „Armature#“ and „Pump#“.}}
<table width="100%"><tr><td valign="top">Lets have a closer look at the characteristics of the two methods relating objects.</td><td>:
<table>
<tr>
</tr>
</table>
</td></tr></table>
{{UMM|Data model built and described by metaclasses and metaproperties related to each other, either by <b>1 : n</b> or <b>n : n</b> cardinality.}}