Bip39 Dictionary. A BIP39 mnemonic sentence is often a set of words (most commonly 12 or 24) that we are able to communicate with a lot more efficiently than other figures that are not words (bits and numbers plus the like). BIP39's reason in introducing the usage of mnemonic words https://whatisadirectory.com/listings13171654/bip39-vs-slip39-https-linktr-ee-bip39-fascination-about-bip39-word-list-pdf