| '''Targettype left'''<br>(TARGETTYPELEFT) || [[CONTEXTSCOPE]] || Context object
|-
| '''Targettype right''' <br>(TARGETTYPERIGHT) || [[METAPROPERTYROOT]] || Context scope object, either a [[MetaClassScope]] or a [[QueryScope]]
|-
| '''Relation data template''' <br>(RELATIONDATA) || [[ACMCONTEXTSCOPERELDATA]] || MetaClass for template of relational data
|-
| '''Relation data metaclass''' <br>(RELATIONDATAMETACLASS) || SYSREL_METAPROPERTIES || MetaClass containing the relational data objects
|}
== Specific Properties ==