An address prefix is a short text that is placed above the address to provide additional context. It is typically used to convey the purposeof the address, such as indicating whether it is the destination ("TO") or the origin ("FROM") of the mail.
A prefix can be set for mailing addresses and return addresses:
Return address prefixes apply only when the Return Address Labels option is set to "Default return address".
Remember, this feature is optional. If you prefer not to include a prefix, you can simply leave the field blank.
Super Address Labels is an application for Shopify that enables merchants to print addresses and other data from their orders onto label sheet templates made by Avery, Dymo, and other manufacturers, using a laser/inkjet or direct thermal printer.