The Domain Name System (DNS) is a hierarchical and decentralized naming system for computers, services, or other resources connected to the Internet or a private network. It associates various information with domain names assigned to each of the participating entities.
alice.tez. Alice bought it from the central registrar managing tez and then assigned it the address of her personal wallet. When she sends money to Bob, he will see alice.tez in his wallet's received transactions, because Alice has also set up a reverse record mapping her address back to alice.tez.tz1VSUr8wwNhLAzempoch5d6hLRiTh8Cjcjb is usable when transferred by a computer program or using the operating system’s clipboard, but it is unwieldy in most other types of communication. It cannot be memorized or even realistically communicated through human speech or visual media.