Fabric is related to Patch. Flash is a type of Patch. Flash is related to Lighting. 
Comprise is etymologically related to Surprise. Surprise is related to Feeling. Feeling is related to Concern. 
Fabric <--RelatedTo--> Patch <--IsA-- Flash <--RelatedTo--> Lighting 
Comprise --EtymologicallyRelatedTo--> Surprise <--RelatedTo--> Feeling <--RelatedTo--> Concern 