A1. Verbal to Non-verbal Read the following passage and draw a tree diagram to cover the main points When we talk about commerce, what do we mean? Generally, by Commerce, we mean the trade and the auxiliaries to trade. Trade is classified into two types home trade and foreign trade. Home tradee plays an important role in national economy as the wholesale and retail trading involves a large number of people by providing them means of living. On the other hand, foreign trade consists of the import and export of goods. This type of trading consists of a few number of economic factors. Commerce cannot exist without its auxiliaries. These auxiliaries include transport, communication, banking, finance, insurance, warehousing and advertising.