Humanity is related to Moral. Moral is related to Quality. Quality is related to Design. Design is related to Functional. 
White is related to Tooth. Root is part of Tooth. Root is part of Nail. Nail is related to Toe. 
Humanity <--RelatedTo--> Moral <--RelatedTo--> Quality <--RelatedTo--> Design <--RelatedTo--> Functional 
White <--RelatedTo--> Tooth <--PartOf-- Root --PartOf--> Nail <--RelatedTo--> Toe 