Accounts Payables Bank Accounts Table vs Cash Management Bank Accounts Table

Dear community

What is the difference between "AP_BANK_ACCOUNTS_ALL" table and "CE_BANK_ACCOUNTS" table? Description of both of them seems pretty the same. The differences I've noticed is the Cash one has only "internal" bank accounts (as populated in field column "ACCOUNT_CLASSIFICATION") regardless of this difference they both seem have the same information but the main confusion comes along with the process hence when we create a bank account for a supplier we expect that ap_bank_accounts_all receives the information and creates the record in this table but instead it is populating somewhere else (not in ce_bank_accounts obviously). And when we create an internal bank account in cash management bank accounts window, records