By handling all the audio input and output signals of your system it performs the same function as the Sound Card in a typical computer. The main differences are that Audio Interfaces typically have mic preamps onboard, provide Phantom Power for condenser mics, and have easy-access external inputs and outputs.
1 Unemployment insurance payments (benefits) are intended to provide temporary financial assistance to unemployed workers who meet the requirements of State law.  Each State administers a separate unemployment insurance program within guidelines established by Federal law.
Benefits are forms of value, other than payment, that are provided to the employee in return for their contribution to the organization, that is, for doing their job. Some benefits, such as unemployment and worker's compensation, are federally required.