Another problem that professionals may encounter in this area has to do with the way people perceive the nature of time. There is not a worldwide, unitary and uniform understanding of time. It is a culturally determined perception. As a result, people relate to time differently and there can arise many difficulties between them and their differing relationships to time. Exercise To learn more about the cultural perception of time, read the detailed discussion of this phenomenon in It's About Time by Syed Zafar.