! Color!! Object Type !! Meaning
|- align="left"
| style = "Color:Red" | Red|| Classification || The current MetaClass doesn't implement at least one of the classifications MetaProperties
|- align="left"
| style = "Color:Red" | Red|| MetaProperty (of a Classification) || The current MetaProperty is not yet implemented by the current MetaClass
|- align="left"
| style = "Color:Green" | Green|| Classification || The current MetaClass implements all MetaProperties of this classification
|- align="left"
| style = "Color:Green" | Green|| MetaProperty (of a Classification) || The current MetaClass already implements this MetaProperty
|}