Deep is a synonym of Late. Late is related to Dead. 
Impulse is related to Spark. Spark is related to Bolt. Bolt is typically near Receiver. Receiver is a synonym of Recipient. 
Deep <--Synonym--> Late <--RelatedTo--> Dead 
Impulse <--RelatedTo--> Spark <--RelatedTo--> Bolt <--LocatedNear--> Receiver <--Synonym--> Recipient 