Part is related to Step. Step is related to Door. Door is related to Key. 
Arrange is a synonym of Adjust. Adjust is a synonym of Settle. Settle is a synonym of Compose. Compose is a type of Constitute. 
Part <--RelatedTo--> Step <--RelatedTo--> Door <--RelatedTo--> Key 
Arrange <--Synonym--> Adjust <--Synonym--> Settle <--Synonym--> Compose --IsA--> Constitute 