The guitar is a stressed musical instrument that usually has six strings.  It is generally played with both hands by playing or plucking the strings with either a guitar pick or the finger(s) / finger nails of one hand, while at the same time worrying (pressing the strings against the stresses) with the fingers of the various other hand. The audio of the vibrating strings is projected either acoustically, through the hollow chamber of the guitar (for a guitar), or via an electric amplifier as well as an audio speaker.
The guitar is a type of chordophone, commonly created from timber and also strung with either digestive tract, nylon or steel strings and distinguished from various other chordophones by its construction as well as adjusting. The modern-day guitar was come before by the gittern, the vihuela, the four-course Renaissance guitar, and the five-course baroque guitar, all of which contributed to the growth of the contemporary six-string tool.