If you have a check of this bank, you can get the account number and check routing number at the bottom. Here is a picture to show the information http://usbankfound.com/check-routing-num... it may be more intuitive for you to take a look at it.
Definition of retainer 1: the act of a client by which the services of a lawyer, counselor, or adviser are engaged 2: a fee paid to a lawyer or professional adviser for advice or services or for a claim on services when needed
Definition of remnant for English Language Learners. : 1  the part of something that is left when the other parts are gone. : 2  a small piece of cloth that is left after the rest of the cloth has been sold.