Keyboard
Keyboard may refer to:

Text input
Keyboard, part of a typewriter
Computer keyboard
Keyboard layout, the software control of computer keyboards and  their mapping
Keyboard technology, computer keyboard hardware and firmware

Music
Musical keyboard, a set of adjacent keys or levers used to play a musical instrument
Manual (music), a keyboard played with hands, as opposed to;
Pedalboard or pedal keyboard, played with feet
Enharmonic keyboard, one of several layouts that incorporate more than 12 tones per octave
Keyboard instrument, a musical instrument played using a keyboard
Synthesizer; can be controlled by an electronic keyboard
Electronic keyboard, a synthesizer
Keyboard percussion instrument, a family of pitched percussion instruments arranged in the layout of a keyboard

Publications
Keyboard (magazine), a magazine dedicated to keyboard instruments and  digital music

See also
Input method
Keypad