Definition
This is the main source of income for the household. The main source of income that is referred to is not only money but these can also be 'the main products that are produced for consumption and / or sale (e.g. some farmers cultivate and depend on Mahangu, in this case farming is the main source of income for these farmers. The purpose of this question is to collect information on the livelihood of the household, since these aspects are very important for the elimination of poverty and hunger and the improvement of the living standard of the people.