Difference is a synonym of Departure. Departure is a type of Band. Band is related to Singer. 
Anticipate is a type of Know. Know is related to Understand. Touch is a type of Understand. Touch is related to Push. 
Difference <--Synonym--> Departure --IsA--> Band <--RelatedTo--> Singer 
Anticipate --IsA--> Know <--RelatedTo--> Understand <--IsA-- Touch <--RelatedTo--> Push 