In the text,writer wants to emphasize that regulating line is really important thing for architecture. According to him, regulating lines are inevitable element of architecture. It also important for understanding structure. And not only near era but also since humanity,people have this regulating lines on their building. Writer use some examples to support importance of regulating lines. For instance primitive man use his body(hands,foots and etc.) for reaching true measurement. They create regulating lines in their minds and thanks to their eyes they coordinate their structures with using their bodies. And they always focus on solidity and utility when they product something. These primitive men not only use their body but also use their instinct for creating something. When they decorate their structure,they behave according to their instinction. But they never use their instinct for measurement. They use geometry when they scale their items. Suprisingly, these geometrical ...