This is a 4-year provisional visa which allows holders to live only in certain areas of Australia. You would need to be sponsored by an Australian relative living in a designated area, or by a state or territory government.
The Skilled Regional visa is the permanent stage of the Skilled Regional Provisional visa. To qualify for a Skilled Regional visa, you must live in the required region of Australia for 2 years and work full time there for 12 months.
The Graduate Temporary visa is a work visa which can be applied for by international students who have completed a qualification taking 2 years of study in Australia.