Bip39 Seed Phrase. A BIP39 mnemonic sentence is a list of words (most commonly twelve or 24) that we are able to interact with a lot more effectively than other people that aren't words (bits and numbers plus the like). BIP39's intent in introducing the use of mnemonic words is https://afundirectory.com/listings13093747/bip39-vs-slip39-https-linktr-ee-bip39-the-single-best-strategy-to-use-for-bip39-standard