Answer: your new here? welcome to hell. heres your pitchfork and brochure
Explanation:
A membranophone, it's sort of in the name. A membranophone is any musical instrument that produces sound with a vibrating stretched membrane. An idiophone is somewhat similar and produces sound by vibrating when hit but does not use strings or membranes (the instrument as a whole vibrates).
Piano has strings but isn’t considered traditional
A straight line as other lines such as dashed, jagged, wiggly show rough surfaces or textures.