Questions: Staking BNB on Binance Exchange Wallet via Ledger Nano X, BEP2/BC vs BEP20/BSC, Tendermint Binance Chain, etc!

Hey, about 3 weeks into crypto here. Long post incoming! Please let me know if there's a better place to post this.

After reading guides, watching videos, and browsing posts, below are the remaining concepts re: BNB that I can't seem to wrap my head around. Hoping others might benefit from having all this cleared up, too.

Ultimately, I would like to stake some BNB via binance.org's Binance Exchange Wallet (BEW), while having the wallet connected to my Ledger Nano X. The BNB would be coming from a binance.us account. I have read the support documents on binance.org, along with some BEW users' experiences on reddit, but there are still some fundamentals I'm having trouble grasping. I think I understand the first couple situations, but it starts to get foggier later on...

1) From what I understand, any BNB being transferred to get staked must end up in a BEP2 (Binance Chain) account, and not in a BEP20 (Binance Smart Chain) account, correct?

2) I realize I can send BNB directly to BEW's "Binance Chain" account, but does the BEW allow easy/free swapping of BNB between its BSC and BC accounts?

3) Should I transfer the BNB from my binance.us account directly to the Ledger, then connect the Ledger to my BEW? Or, send the BNB from my binance.us account directly to my BEW, then link my Ledger? Does it make a difference either way?

4) Ledger Live has two similar applications available for download: "Tendermint Binance Chain" and "Binance Smart Chain (BNB)". Every guide I could find about staking BNB instructs users to use Ledger Live's "Binance Chain" app, but there is no such Ledger Live application with that name! It seems there once was. Did the app get renamed? I have seen no mention in any guide about an app called "Tendermint Binance Chain". I'd like to be sure, just in case.

5a) If question 3) above can be done either way, and I choose to send the BNB from binance.us to my Ledger (prior to linking the Ledger with my BEW for staking), am I correct in saying that the BNB *must* be sent to the Ledger's "Tendermint Binance Chain" app for staking?
5b) If this is correct, would I then link the Ledger's "Tendermint Binance Chain" app to the BEW's internal "Binance Chain" account?
5c) If I were to *instead* send the BNB from binance.us to the Ledger's "Binance Smart Chain" app/account via Ledger Live, then link my BEW account to the Ledger's BSC account, does this mean I would *not* be able to stake this BNB via the BEW? I ask this for a couple reasons: one, I'm still unclear whether it's *only* the BEP2/Binance Chain type of BNB that can be staked. I've seen it mentioned that BSC is PoS, that might be what's confusing me here. And two, I'm not even sure the BEW can interact with Ledger's "Binance Smart Chain" account! See below...

6) https://binance-wallet.gitbook.io/binance-chain-extension-wallet/hardware-wallet-connection/connect-to-ledger-nano-s-hardware-wallet

This official guide outlines two methods for connecting the BEW with the Ledger:

a) Connecting the BEW to the Ethereum Ledger app for BSC/BEP20 usage.

b) Connecting the BEW to the Binance Chain (Tendermint?) app for BC/BEP2 usage.

Have I understood each of these relationships correctly?

7) Under the "Accounts" tab on Ledger Live, I have an "Ethereum" (ERC20) account and "Binance Smart Chain (BNB)" account. (I guess Ledger Live recently started supporting BSC?)

This leads to my next set of questions, all related to each other:

a) In the BEW guide linked above, under the "Binance Smart Chain Usage" section, it instructs users to connect their BEW to their Ledger's Ethereum account, but I'm having trouble understanding why this is a necessary/relevant step. Is the BEW not capable of interacting directly with BNB that is stored in a Ledger's "Binance Smart Chain" app/account?

b) Isn't BNB no longer ERC20? What would happen if BNB were sent to/"stored" in the Ledger's Ethereum account? In general, isn't BNB supposed to "reside" in either the Ledger's "Binance Smart Chain" app or "Tendermint Binance Chain" app, and not in the Ethereum app? From what I understand, BNB *used* to be ERC20, but is now BEP2 by default, and can of course also be sent to BSC addresses/accounts. Isn't the Ethereum app meant for storing ERC20 tokens, while the BSC app is meant for BEP20, and the Tendermint Binance Chain app is for BEP2? Sorry if I'm missing something big here. I have a feeling I am. -_-

c) I'd like to confirm if I understand this summary correctly: Ledger Live supports BSC directly (as it allows users to make a BSC account), but it does not support BEP2. This is where the functionality of BEW comes in, allowing Ledger users to interact with BEP2 via the (Tendermint) Binance Chain app. This sound about right?

Ok, phew. Hopefully these questions weren't too horrible. Took me a while to even figure out what I don't know, lol.

Thanks so much to anyone chiming in, eternally grateful!