BIP39 stands for Bitcoin Advancement Proposal 39. The words are picked from a specific list of 2048 frequent English words which may be accustomed to the generate a binary seed (your private crucial). Standard recovery phrases use a certain list of 2048 words following the BIP39 standard (Bitcoin Improvement Proposal https://social-galaxy.com/story4283634/examine-this-report-on-bip39-mnemonic-phrase-tool