What is Personal Income?

Legal Definition
In economics, personal income refers to an individual's total earnings from wages, investment enterprises, and other ventures. It is the sum of all the incomes actually received by all the individuals or household during a given period. Personal income is that income which is actually received by the individuals or households in a country during the year from all sources.
-- Wikipedia
Legal Definition
The total amonut of earnings generated by a person during a certain period. Generally includes wages or salary.