Bridging Visa A (BVA)

This temporary visa generally allows you to stay in Australia after your current substantive visa ceases and while your new substantive visa application is being processed.

https://immi.homeaffairs.gov.au/visas/getting-a-visa/visa-listing/bridging-visa-a-010

Bridging Visa B (BVB)

With this visa, you can

• stay lawfully in Australia until your substantive visa application is finally determined, or where granted in association with judicial review, until those proceedings are completed

• leave and return to Australia within the defined travel period while your application for a substantive visa is being processed

• work, if your BVB permits

https://immi.homeaffairs.gov.au/visas/getting-a-visa/visa-listing/bridging-visa-b-020