Classification nodes and their properties are color coded, where the different colors have the following meaning:
{| class="wikitable"
|-
! Color!! Object Type !! Meaning
|- align="left"
| Red|| Classification || The current MetaClass doesn't implement at least one of the classifications MetaProperties
|- align="left"
| Red|| MetaProperty (of a Classification) || The current MetaProperty is not yet implemented by the current MetaClass
|- align="left"
| Green|| Classification || The current MetaClass implements all MetaProperties of this classification
|- align="left"
| Green|| MetaProperty (of a Classification) || The current MetaClass already implements this MetaProperty
|}
===Everything===