Worldwide is related to Web. Web is related to Site. Tree is a type of Site. 
Shut is the opposite of Talk. Talk is a synonym of Language. Language is a type of Communication. Communication is a type of Connection. 
Worldwide <--RelatedTo--> Web <--RelatedTo--> Site <--IsA-- Tree 
Shut <--Antonym--> Talk <--Synonym--> Language --IsA--> Communication --IsA--> Connection 