Definition
Trading is the activity of buying and selling of goods or services, including restaurants / restaurant and drinks, catering, restoration on the train, cafeteria, canteen, cafes, lodging (hotels, motels, hostels, and inns).
1. Workers / employees / employee is the head of the household / the household members that works on another person or agency / office / company permanently and receives wages / salary, in cash or goods.
2. Entrepreneur are those who do business with to risk, both assisted by members of the household / workers or nothing.