What is source of income?

As an AI language model, I can provide you with general information about the sources of income:

1. Employment income: This income is earned by an individual who works for an employer and is usually paid on a regular basis.

2. Self-employment income: This income is earned by an individual who is self-employed, such as a freelancer or small business owner.

3. Investment income: This income is earned through investments such as stocks, bonds, mutual funds, and real estate.

4. Rental income: This income is earned by renting out property such as an apartment, house, or commercial space.

5. Royalty income: This income is earned by individuals who have a patent or copyright on their work, such as authors, musicians, or photographers.

6. Capital gains income: This income is earned by selling assets such as a stock, property or artwork at a higher price than the original purchase price.

7. Social welfare income: This income is received by individuals who are unable to work or who have low income, such as from government assistance programs.

Overall, there are various sources of income an individual can have depending on their lifestyle and profession.