Idiophones are a category of musical instruments that create sound mainly by being struck. The sound is created by the vibrations that result from the instrument as a whole being struck, as opposed to the use of strings or membranes. Some of the instruments that would fall under this category are wood blocks, triangles, marimbas and some types of bells.
Horizantal lines can create a feeling of security and vertical lines are expressive and are bold, dynamic lines can be a fun and exciting touch to a space of any sort when used in a strtical way.
