A concept is a cognitive unit of meaning—an abstract idea or a mental symbol sometimes defined as a “unit of knowledge,” built from other units which act as a concept’s characteristics. A concept is typically associated with a corresponding representation in a language or symbology such as a single meaning of a term. The concept house is located in Rio de Janeiro, Brazil, designed by Mareines and Patalano. Based on the natural shape of a leaf the six sectioned house creates an abundance of light throughout, the entire roof structure was made ​​of laminated wood of eucalyptus, which due to its manufacturing process can wing large spans (20 feet is the largest in the house) with ease and aesthetic refinement.