Legal is related to Limit. Limit is a type of Extent. Coverage is a type of Extent. 
Gaze is related to Observe. Observe is related to Serve. Serve is related to Servant. Servant is related to Slave. 
Legal <--RelatedTo--> Limit --IsA--> Extent <--IsA-- Coverage 
Gaze <--RelatedTo--> Observe <--RelatedTo--> Serve <--RelatedTo--> Servant <--RelatedTo--> Slave 