What is an NFT? (Non Fungible Token) | What does it mean?

From art to music, to NFT of famous tweets, yes you heard it right, these digital assets are being bought like a 14th-century Roman artifact. But are NFTs worth all the hype and well, money? Many analysts believe they won’t last long. But many others claim that NFTs are here to stay and will forever transform investing. But first, what in the world is NFT?