Square is related to Corner. Corner is related to Come. Come is a synonym of Gather. Club is a type of Gather. 
Board is related to Teaching. Teaching is related to Professor. Professor is related to College. College is related to Campus. 
Square <--RelatedTo--> Corner <--RelatedTo--> Come <--Synonym--> Gather <--IsA-- Club 
Board <--RelatedTo--> Teaching <--RelatedTo--> Professor <--RelatedTo--> College <--RelatedTo--> Campus 