What is the difference between DfT and DFX?

Can you elaborate on the key distinctions between DeFi Tokens (DfT) and Decentralized Finance Exchanges (DFX)? Are they different types of digital assets or platforms, and if so, how do they function and serve the DeFi ecosystem? Additionally, what are their respective benefits and limitations in comparison to other DeFi offerings? Understanding these nuances would provide valuable insights into the DeFi landscape.