A string instrument or a stringed instrument is popular around the world. It uses vibrating strings to produce music. The strings may be made of gut, metal, fiber, or plastic and can be plucked, bowed, or struck.

Although there are many string instruments native to various cultures and tribes around the world, five common types are used in the orchestra: the violin, viola, cello, double bass, and harp.

- The violin family includes the violin, viola, cello, and sometimes the double bass. These are supported by a neck and a bout and are played using a bow.
- Harps are instruments in which the strings are contained within a frame and are plucked.

What method of organization is used in this passage?

A. Definition
B. Cause/Effect
C. Sequence
D. Classification