Container tabs and multi-account containers_ interdependent?

  • if i click link of container tabs_ landing page shows firefox multi-account containers extension…

  • query_ container tabs_

    • default_ 4, maximum_ ?
    • in personal container using qq account username and password
    • in work container using qy account username and password
      • can i still use both of them at same time
    • advantage of using only container tabs?
  • query_ multi-account containers

    • enable container tabs compulsory to use multi-account containers?