To get more information or to enroll in EFTPS, visit the EFTPS website at www.eftps.gov or call 1-800-555-4477 (24 hours a day, 7 days a week).If you make your payment using EFTPS, do not include the payment voucher.
DDA stands for demand deposit account. It is a bank account in  which you can deposit and withdraw money. A form of a demand  deposit account is a checking account.
Unified Managed Account - UMA. What is a 'Unified Managed Account - UMA'. A unified managed account (UMA) is a professionally managed private investment account that is rebalanced regularly and can encompass every investment vehicle (e.g. mutual funds, stocks, bonds and exchange traded funds) in an investor's portfolio, all in a single account.