MVRP usage

Setting bridge as tagged/untagged under > /interface/bridge/vlan > doesn’t affect functionality of bridge > the switch-like entity> , it affects the bridge > CPU-facing bridge port > (check > this excellent explanation > of different bridge personalities).

I have read the above document a few times and I still don’t get it… ? What I kind of understood is that you don’t really need to add the Bridge as tagged, unless you want to have a Layer 3 (vlan interface) in that bridge? Is that correct?

Thank you!