Stretch is related to Characteristic. Characteristic is related to Personality. Trait is part of Personality. 
Surface is related to Track. Track is a type of Artifact. Creation is a type of Artifact. 
Stretch <--RelatedTo--> Characteristic <--RelatedTo--> Personality <--PartOf-- Trait 
Surface <--RelatedTo--> Track --IsA--> Artifact <--IsA-- Creation 