A non-fungible token (NFT) is a piece of data stored on the blockchain. Unlike under crypto currency types this cannot be devided in to smaller parts, but can be traded or sold.
The data stored on the blockchain for the the NFT can be of any kind, but generally doesnt fit a lot of information. In the case of larger artworks that are associated with the NFT there is usually a link provided to the location of the artwork. We have a section for NFTs where you can read more about the topic.
NFTs in the metaverse is usually representing objects, such as land, houses, cars avatars or accessories, where owning the NFT assures you that the object is yours to use, trade or sell.