Plucked string instruments are a subcategory of string instruments that are played by plucking the strings. Plucking is a way of pulling and releasing the string in such a way as to give it an impulse that causes the string to vibrate. Plucking can be done with either a finger or a plectrum.
Most plucked string instruments belong to the lute family (such as guitar, bass guitar, mandolin, banjo, balalaika, sitar, pipa, etc.), which generally consist of a resonating body, and a neck; the strings run along the neck and can be stopped at different pitches.