Derive is related to Enjoy. Enjoy is related to Reading. Reading is related to Note. 
Coordinate is related to Point. Point is related to Blade. Blade is a type of Structure. Pad is a type of Structure. 
Derive <--RelatedTo--> Enjoy <--RelatedTo--> Reading <--RelatedTo--> Note 
Coordinate <--RelatedTo--> Point <--RelatedTo--> Blade --IsA--> Structure <--IsA-- Pad 