BIP39 means Bitcoin Advancement Proposal 39. The words are selected from a particular list of 2048 frequent English words that may be used to the deliver a binary seed (your private key). On this page we’ll share the list of concurrency wallets (the two components and program) that supports BIP39 https://45listing.com/story20746272/how-much-you-need-to-expect-you-ll-pay-for-a-good-bip39-definition