The term 'keyboard' can refer to a variety of instruments and devices. The most common TYPE of keyboard is the CLAVIER, which is a musical instrument with seven keys that are used to produce sound. Another TYPE of keyboard is the PIANO, which has five black and white keys and is used to create music. Additionally, the term 'keyboard' can also refer to a device used to TYPE, such as a computer keyboard. This TYPE of keyboard is often referred to as a QWERTY keyboard, which is named after the six letters that appear on the top row of the keyboard.