bricks

A brick is building material used to make walls, pavements and other elements in masonry construction. Traditionally, the term brick referred to unit composed of clay, but it is now used to denote any rectangular units laid in mortar. A brick can be composed of clay-bearing soil, sand and lime, or concrete materials. Bricks are produced in numerous classes, types, materials, and sizes which vary with region and time period, and are produced in bulk quantities. Two basic categories of bricks are fired and non-fired bricks.

A brick is an artificial stone made by forming clay into hardened rectangular blocks.

BRICs（ブリックス、）は、2000年代以降著しい経済発展を遂げているブラジル、ロシア、インド、中国の4ヶ国の総称。（ブリック）とも呼ばれる。投資銀行ゴールドマン・サックスのエコノミストであるジム・オニールによって書かれた2001年11月30日の投資家向けレポート『』で初めて用いられ、世界中に広まった。