The guitar is a plucked string instrument, usually played with fingers or a pick. The guitar consists of a body with a rigid neck to which the strings, generally six in number but sometimes more, are attached. Guitars are traditionally constructed of various woods and strung with animal gut or, more recently, with either nylon or steel strings. Some modern guitars are made of polycarbonate materials. Guitars are made and repaired by luthiers. There are two primary families of guitars : acoustic and electric.
and probably because I had learned with you about The guitar, and there are several types of guitar that you should know, and that certainly is an electric and acoustic guitars including the following
Acoustik guitars
Electrick guitars
and you can click on the links that exist on guitars name above to see the guitars are
Source : guitarforbeginners.com