Binance Dex is an important Exchange service. Though it mainly offers Bep2/BNB pairs, it offers a quick, cheap and simple way to exchange your Binance chain tokens.
It has a really simple yet effective user interface and log-in security that supports the idea of decentralization. There isn't much else apart from trading you can do on Binance dex.
It is an important tool, and we can see that as it's integrated into popular wallets like Trust and Atomic wallet. If you need quick decentralized Exchanges for a long list of Binance tokens, the Binance Dex is what you are looking for.