A guitar is like a human body. It has a head a neck and a body.
A headstock has 6 tunning pegs which helps the guitar to tune.
The neck joins the the body and the head of the guitar. It has 22-24 frets which increases or decreases the tonality of the guitar. The neck is also known as the fretboard.
The body is where the sound is created the string vibrates through the soundhole and creates the sound in an acoustic guitar. In an electric guitar the sound is amplied through an amp.
Bridge is the wooden plate which hold the string with the head neck and body.