Charm is a synonym of Entrance. you are likely to find Entrance in/at/on House. Flat is a type of House. 
Phone is a type of Device. Phone is related to People. People is related to Society. Society can be used for Survival. 
Charm <--Synonym--> Entrance --AtLocation--> House <--IsA-- Flat 
Device <--IsA-- Phone <--RelatedTo--> People <--RelatedTo--> Society --UsedFor--> Survival 