The thumb and forefinger forming a circle means "okay" in the u. s.a., but it means in japan.

The thumb and forefinger forming a circle means "okay" in the u.s.a., but it means money in japan.These actions are known as non-verbal gestures.It is similar to direct eye contact sign although different cultures have different actions.In Japan, the same sign is used in commercial transactions also.Although some gestures, such as the ubiquitous act of pointing, differ little from one place to another, most gestures do not have invariable or universal meanings, having specific connotations only in certain cultures.

Urban growth invariably feeds increased commercialization and industrialization. it requires continually expanding land areas. when urbanization rates are high, and countries do not have the institutional and managerial capacities or economic wherewithal to manage such rapid growths, they exert intense pressure on the types and nature of the resulting settlements. they contribute to the development of overcrowded slums and shanty towns without adequate essential services and necessary infrastructure.-by asit k. biswas and cecilia tortajada