Glossary:
wallet: A cryptocurrency wallet is a collection of keys.
HDwallet: is a collection of keys related to a single secret (bip39 mnemonic). Keys are derived from a hierarchical deterministic way
path: A path is a key derivation scheme. example:
"m/84'/0'/0'"
Through the lifecycle of a pioneer software there are 3 stages of data hydration.
Default paths loaded (pioneer-coins) getPaths()
ref: (link)
Overview