The term 'KEY LOCATION' can be broken down into three words: 'OCEAN, ' 'PIANO, ' and 'DOOR.' The first word, 'OCEAN, ' is a five-letter word that refers to the vast body of salt water that covers most of the Earth's surface. The second word, 'PIANO, ' is also a five-letter word that refers to a musical instrument consisting of a keyboard and strings that produce sound when struck by hammers. The third word, 'DOOR, ' is a four-letter word that refers to an opening in a wall or other structure that allows people to enter and exit a room or building. Together, these three words form the phrase 'key location, ' which can refer to a place where something important is hidden or stored.