A deck on a vehicle such as a bus or ship is a lower or upper area of it.

The deck of a ship is the top part of it that forms a floor in the open air which you can walk on.

A tape deck or record deck is a piece of equipment on which you play tapes or records.

A deck of cards is a complete set of playing cards.

A deck is a flat wooden area next to a house, where people can sit and relax or eat.

If something is decked with pretty things, it is decorated with them.

If someone decks you, they hit you so that you fall over.

If someone or something is below decks, they are inside a ship in the part of it that is underneath the deck.

If you clear the decks, you get ready to start something new by finishing any work that has to be done or getting rid of any problems that are in the way.

If someone or something hits the deck, they fall to the ground.