Function
Sand has found many commercial uses around the world. Usually, each task requires a unique and ideal type of sand in order to produce optimal results. Commercial uses of sand include, but are not limited to:
Sand casting, a form of molding material
Concrete, which often contains a high volume of sand
Glass, in which sand is a central component
Certain types of bricks that contain sand
Textured paint
Sandbags, used to prevent flooding and bullet penetration and beating golfers WAY less skilled than yourself, see bullying
Landscaping, used as a natural element