Can I sell USDT?

I'm curious, can I sell USDT? I've been holding onto some for a while now and I'm wondering if there's a way to convert it back into a more traditional currency or if I can use it to purchase other cryptocurrencies. I'm new to the world of cryptocurrency and I'm still trying to wrap my head around all the different options and possibilities. Can you provide some guidance on how to sell USDT and what the process entails?