| payment | General payments to vendors/suppliers | Outgoing | Bill payments, vendor payments, general purchases |
| transfer | Money transfers between accounts | Bidirectional | Internal transfers, account-to-account moves |
| deposit | Incoming funds or deposits | Incoming | Customer payments, revenue, capital deposits |
| withdrawal | Cash withdrawals or outgoing funds | Outgoing | ATM withdrawals, cash disbursements |
| card_payment | Credit/debit card transactions | Outgoing | Card purchases, POS transactions, online shopping |
| direct_debit | Automated recurring payments | Outgoing | Subscriptions, recurring bills, automated payments |
| refund | Return of previously paid funds | Incoming | Customer refunds, returned payments, chargebacks |
| fee | Service fees and charges | Outgoing | Bank fees, transaction fees, service charges |
| interest | Interest earned or paid | Bidirectional | Interest income, interest charges, loan interest |
| other | Miscellaneous transaction types | Varies | Unclassified, special cases, custom types |
