These are the 12 unique words that are in a specific order and you would have had to type in to confirm your wallet set up. Your recovery phrase is your one and only backup. It was only displayed one time during the account set up process. You were instructed to write it down and store in a secure location at the time of setting up your wallet.
You will be responsible for keeping and maintaining the Private Recovery Phrase and encryption passcode. Be sure to check your personal files for this recovery phrase. If lost your recovery phrase cannot be changed or recovered.