Population can be used for Consumption. Consumption is a synonym of Use. Strain is a type of Use. Strain is a type of Injury. 
Constant is a type of Number. Number is related to Value. Value is related to Dress. Dress is related to Mode. 
Population --UsedFor--> Consumption <--Synonym--> Use <--IsA-- Strain --IsA--> Injury 
Constant --IsA--> Number <--RelatedTo--> Value <--RelatedTo--> Dress <--RelatedTo--> Mode 