Canvas is a type of Cover. Cover is related to Entry. Doorway can be used for Entry. Doorway is related to Gate. 
Burst is a type of Break. Break is a type of Appear. Appear is related to Magic. 
Canvas --IsA--> Cover <--RelatedTo--> Entry <--UsedFor-- Doorway <--RelatedTo--> Gate 
Burst --IsA--> Break --IsA--> Appear <--RelatedTo--> Magic 