BIP39 stands for Bitcoin Enhancement Proposal 39. The words are selected from a particular list of 2048 common English words which may be utilized to the produce a binary seed (your non-public important). BIP39 and 44, Alternatively, can be a Newer method of standardization of a certain list of words https://bookmarkyourpage.com/story4187074/bip39-seed-phrase-fundamentals-explained