Regulating lines is a necessity for human from the past to day. Human awared of some dimensions which are considered when human build something.These dimesions are :
*structure to be built well
*to be shared right of pulling force
*soundness
*usefulness
and some measurement units was necessary for these dimesions in the past. The measurement units were arm, steps or fingers for primitive human.However, today there are many technological measurement units with proccesing technology. Ordiring was provided by measurement. When primitive human built something, human awared some properties; right angle, axis, square and circle.Human awared them because these are geometric as dimensions.
Burak Ağbulut 