Persist is a synonym of Stay. Stay is a synonym of Delay. Delay is a synonym of Check. Check is a synonym of Contain. 
Projection is a type of Representation. Representation is related to Symbol. Symbol is related to Question. Question is related to Inquiry. 
Persist <--Synonym--> Stay <--Synonym--> Delay <--Synonym--> Check <--Synonym--> Contain 
Projection --IsA--> Representation <--RelatedTo--> Symbol <--RelatedTo--> Question <--RelatedTo--> Inquiry 