BIP39 stands for Bitcoin Enhancement Proposal 39. The words are picked from a specific list of 2048 prevalent English words which can be utilized to the produce a binary seed (your personal vital). Standard recovery phrases use a specific list of 2048 words adhering to the BIP39 standard (Bitcoin Advancement https://singnalsocial.com/story3977921/an-unbiased-view-of-bip39-seed-phrase-github