Bip39 Binary. The seed phrase acts like a backup on the wallet and may be used to revive the wallet and obtain the funds in case of reduction or damage to the original wallet. These words are pulled from a selected list of 2048 words. They are available listed here https://financeyahoo86935.wikitelevisions.com/6904118/the_anatomy_of_the_bip39_phrase_entropy_terms_and_safety