Ball and Mcculloch (1999) refer to exporting as selling of firms' regular product in overseas. This method requires little investment and is relatively free of risks. It is an excellent means of getting a feel for international business without committing any great amount of human or financial resources. It can be indirect or direct.
According to Albaum et al (1998) export marketing refers to  active soliciting of overseas sales  f existing pr ducts by a firm and its willingness t  make limited modification in its products and marketing procedures to  accommodate  overseas buyers' requirement.