What kind of instrument is the violin?

The violin (Italian: Ilviolino) is a stringed instrument. The total **** has four strings. The sound is made by friction between the strings and the bow. The violin consists of more than 32 parts. The body of the violin (*** sound box) is about 35.5 centimeters long and consists of a curved top, back and sides that are glued together. The top is often made of spruce, which is soft; the back and sides are made of maple, mahogany, which is hard. The headstock and neck are made of whole maple, and the fingerboard is made of ebony. The violin is widely spread throughout the world and is the most dominant instrument in the string section of modern orchestras. It occupies a very important position in instrumental music, and is the pillar of the modern symphony orchestra, as well as a solo instrument with difficult playing skills, and is known as one of the world's three major musical instruments together with the piano and classical guitar. Literary works with the violin as the background include "Summer Dreams Poetry", "The Secret", "Fiddle Spectre" and so on.