Crop is a type of Output. Crop is related to Edit. Edit is a type of Publish. 
Body is a different concept from Head. Head is a type of Structure. Structure is related to Underlying. Underlying is related to Motive. 
Output <--IsA-- Crop <--RelatedTo--> Edit --IsA--> Publish 
Body <--DistinctFrom--> Head --IsA--> Structure <--RelatedTo--> Underlying <--RelatedTo--> Motive 