Ludwig Mies van der Rohe (American, born Germany, 1886–1969) Associate Architect: Holsman, Holsman, Klekamp and Taylor (American, 20th century) Associate Architect: Pace Associates (American, 20th ...

Stock and flow diagrams are composed of two main elements: stocks and flows. Stocks are the accumulations or quantities of something in the system, such as water, money, population, or inventory.