BIP39 means Bitcoin Enhancement Proposal 39. The words are picked from a selected list of 2048 popular English words that may be utilized to the generate a binary seed (your personal key). BIP39 and 44, Alternatively, undoubtedly are a more recent sort of standardization of a specific list of words https://other-space.uncrn.co/blog/bip39-word-list-explained-your-necessary-resource-for-creating-secure-wallets-in-the-copyright-room/