Desire to work, but no job. In other words, it is a condition of the supply of labor is greater than the demand for labor that a payroll scale level. The number of workers exceeds the requirements of all unemployed.
Desire to work but no work. In other words, the condition of the labor supply is greater than demand for labor at any given wage rate. Labor demand is more than the total unemployed.
Desire to work but don't have a job. In other words, it is of the supply of workers is more than the demand for labor rate levels pay one. The workers who exceed this is unemployed.