How does Bitget work?

Can you explain to me in simple terms how Bitget operates? As a newcomer to the cryptocurrency world, I'm trying to wrap my head around how exchanges like Bitget facilitate trades and transactions. What role does it play in connecting buyers and sellers? And how does it ensure the security and safety of user funds? Additionally, I'm curious about its fee structure and whether there are any limitations to trading on the platform. Lastly, what sets Bitget apart from other cryptocurrency exchanges in the market?