The term DESKTOP TRAY is used to refer to two different items. The first is an INBOX, which is a receptacle for incoming mail or documents. It is typically located on the top of a desk and is used to store items until they can be sorted and organized. The second item is an INBASKET, which is a container that is used to store documents or other items that need to be addressed or acted upon. It is usually placed on the desktop and is used to organize items that need to be dealt with in a timely manner.