Patch is a synonym of Stretch. Stretch is related to Mark. Trace is a type of Mark. Trace is a synonym of Touch. 
Model is a synonym of Construct. Construct is a synonym of Concept. 
Patch <--Synonym--> Stretch <--RelatedTo--> Mark <--IsA-- Trace <--Synonym--> Touch 
Model <--Synonym--> Construct <--Synonym--> Concept 