Binance loves confusing people, so they chose their own made-up tokens instead of real Bitcoins. However, if you say it's send on the BTC network, and it's going to a bc1-address, it sounds all okay to me.

What I'm wondering about now is: if it's all your savings, how did it end up on what sounds like someone else's Binance account? Any chance that person is trying to screw you over?