Introduction :

The relationship of development with communication is almost inseparable. Development experts have found that the combination of social, economic and political development with communication is inseparable. With improved transportation connectivity, agricultural products, industrial raw materials can be easily and cheaply transported. Production and marketing are not easy. This led to the expansion of industry and trade. The pace of economic development is accelerated. Communication is therefore considered a prerequisite for economic and social development in today's world.

Types Of Communication Systems :

The world today is entering the era of communication and information revolution with the unimaginable dynamics of science and technology. People are constantly connecting themselves to the highway of communication by overcoming the distances of space, time constraints, adverse obstacles in their lives. Communication and development have become synonymous. There are different means of communication. Such as: road communication, rail communication, naval communication, air communication, e-media i.e. communication through mobile, telephone, internet etc. This multidimensional process of the world system is also called globalization. Globalization has enabled people to overcome language barriers, geographical distances, cultural differences, regional isolation, etc.

Road, Rail, Sea And Air Communication :

Road communication has facilitated the rapid supply of agricultural and village based raw materials, industrial products and manufactured goods in Bangladesh. Road communication is important for agricultural development, industrial development, marketing of agricultural and industrial products, travel and transportation, collection of forest resources, etc. The transportation system involves the question of the livelihood of a large number of people. Rural development has a special contribution to the development of the country and road connectivity for it. In recent times, the road communication system of Bangladesh has improved considerably, the road development system is being expanded. This has greatly increased the facilities for transporting passengers and goods.

Railways are no less important for the economic, social and administrative development of Bangladesh. The contribution of railways in passenger transport, freight transport, agricultural and industrial development, Communication between village and town, employment, expansion of market system, revenue generation, etc. is immense.

The importance of waterways in the economic development of riverine Bangladesh is no less. The amount of river communication in Bangladesh is about eight and a half thousand kilometers. However, there is no navigability all year round on this route. Steamers, launches, cargo, motor boats and foreign merchant ships make huge profits by carrying cargo and carrying passengers.

Aviation has set a new standard in the globalization process. Air travel plays an important role in speeding, food and drug transportation, and the spread of technology-based knowledge and science. At present Bangladesh has workers in almost all the countries of the world. Airports are the main means of exporting huge manpower and their travel. Through this, air communication has a special contribution in economic development.

E-media In Economic Development :

Economics is the mainstay of human life. Economics involves everything from people's politics, culture and social life. So while globalization is an interdisciplinary cognitive communication between global human groups, it also serves as an economic suffix. And electronic media and mass media have a special role in this economic development. Daniel Lerner talks about the direct role of the media in development. He said: The media enhances mental mobility by providing information. This psychological dynamism is an essential element of economic development. This is why radio, television, newspapers, etc. have been called mobility multipliers. Some experts have mentioned the threefold role of the media :Information sharing, participation, training. Increasing individual interaction with the media will lead to economic and social progress for two-thirds of the world's people in the future. Besides, information technology is playing a helpful role in communication and economic development in today's world. The highway of information-communication through mobile, computer, internet has been unveiled, it is amazing. Every modern human being is now covered by Global Information and World Communication.

Conclusion :

The two main aspects of human development are human resource development and creating opportunities for people. Both of these aspects depend on communication. The programs that have been mentioned under the United Nations Development Program - Communication is the main controlling force of education, health, public awareness etc. The medium of communication is the most powerful tool in the whole world today. Even stronger than any war. The contribution of communication in the field of economic development is direct and extensive