Bip39 Library A BIP39 mnemonic sentence is really a set of words (mostly twelve or 24) that we could communicate with far more efficiently than other characters that are not words (bits and quantities plus the like). BIP39's reason in introducing using mnemonic words will be to lessen the errors https://bookmarkity.com/story18695507/seed-phrase-generator-with-balance-github-bip39-for-dummies