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.
Unemployment insurance is a program of the Employment Development Department, which is a division of the State Government of California. The idea of it is that as people are working small amounts of money are taken out of their paychecks and put into the Unemployment Insurance fund.