Wander is a type of Proceed. Head is a type of Proceed. 
Device is a type of Artifact. Layer is a type of Artifact. Layer is a synonym of Sheet. Sheet is related to Margin. 
Wander --IsA--> Proceed <--IsA-- Head 
Device --IsA--> Artifact <--IsA-- Layer <--Synonym--> Sheet <--RelatedTo--> Margin 