Canvas is a type of Cloth. Canvas is a type of Cover. Cover is related to Patch. Patch is related to Place. 
Bolt is part of Lock. Lock is related to Road. Road is related to Concrete. Concrete is similar to Objective. 
Cloth <--IsA-- Canvas --IsA--> Cover <--RelatedTo--> Patch <--RelatedTo--> Place 
Bolt --PartOf--> Lock <--RelatedTo--> Road <--RelatedTo--> Concrete <--SimilarTo--> Objective 