Throat is related to Neck. Neck is related to Target. Target is a synonym of Point. 
Circuit is related to Loop. Band is a type of Loop. Explosion is a type of Band. Inflation is a type of Explosion. 
Throat <--RelatedTo--> Neck <--RelatedTo--> Target <--Synonym--> Point 
Circuit <--RelatedTo--> Loop <--IsA-- Band <--IsA-- Explosion <--IsA-- Inflation 