What is Aragon ANT?

Could you please elaborate on what Aragon ANT is? I've heard it mentioned in the cryptocurrency and finance circles, but I'm not entirely sure what it entails. Is it a specific cryptocurrency token? If so, what are its key features and uses? I'm particularly interested in how it's been designed to empower organizations and communities in the decentralized world. Additionally, what are some of the challenges and opportunities that Aragon ANT presents for investors and enthusiasts in the crypto space? Thank you for your time and clarification.