If I hold busd,usdt or usdc on binance what network is the spot wallet connected too?

I’m trying to figure out if it matters what network I send it from, for example if I were to send busd as a bep20 token will it show up in the same spot wallet as my bep2 and erc20 busd or will they all be divided? Also if I were to withdraw busd,usdt or usdt are the wallets connected to networks automatically because I see that I can choose the network depending on the destination but are the spot wallets connected to a certain network or it all depends on the destination I’m sending it too? So is it my choice or is the network already set on binance so could I divide the busd on my spot wallet and send some to a erc20, bep20 and bep2 adress or only bep2?