The world is become a global village. Every nation is like an island. Formerly, people do not require to communicate with people of other cultures like now a day. They travel from their own countries to other countries for their employment, business, tourism, etc. They need to communicate with people from various cultures. So they have to be conscious of the fact that cultures differ in numerous ways. It is considered to be acceptable and respectful in one culture and it may not be extensive in another culture.