A wallet is a collection of Bitcoin private keys used to spend Bitcoin. Just like with paper currency that is held in your physical wallet, a Bitcoin wallet is a digital wallet where you can store, send, and receive Bitcoin securely. There are many varieties of wallets available, such as hot wallets and cold wallets.
You get a free Noones Bitcoin wallet the moment you create an account on Noones. Your public and private keys are safely stored by Noones, and access to the wallet is protected with a password and 2FA.