Is USDT E and USDT the same?

I've noticed some discussions online about USDT E and USDT, and I'm a bit confused. Could you clarify if they are one and the same, or are they different entities? I've seen USDT widely used in the crypto world as a stablecoin, but USDT E is a new term to me. I'm just starting to delve deeper into the cryptocurrency realm and I'm eager to understand these nuances. Could you please elaborate on the similarities or differences, if any, between USDT E and USDT? Your explanation would be greatly appreciated as it would help me navigate this complex yet fascinating world of finance and cryptocurrencies.