Send

"Send" refers to a card, whether it be in your Deck, hand or on your side of the field, going to the Graveyard.

All Monster Cards destroyed as a result of battle, are automatially classed as being 'Sent', as are Monster Cards destroyed by card effects.

Cards Discarded from your hand and also considered 'Sent', however, 'Sent' cards are not automatically classed as Discarded. Similarly, when a card is destroyed it is considered 'Sent', however, 'Sent' cards are not automatically considered 'destroyed'^ref.