| Word | Description |
| Real-time | Events and actions are taking place as it happens and the time frame is now. |
| Receipt Link | Hosted Checkout's simplest method of displaying receipts customers |
| Refund | The repayment to the purchaser of the total charge or a portion of that charge. |
| Relay Response | A technique used in Hosted Checkout (HCO) for passing transaction information back to the merchant site. |
| Reporting | E-xact provides extensive reporting with our E-xact Realtime Payment Manager. Detailed deposit totals and online activity can be tracked daily. |
| Ruby | A dynamic, reflective, general purpose object-oriented programming language. Originating in Japan in the mid 1990s, Ruby was initially developed and designed by Yukihiro "Matz" Matsumoto and combines syntax inspired by Perl with Smalltalk-like object-oriented features. |
| Ruby on Rails | An open source web application framework for the Ruby programming language. It is often referred to as 'Rails' or 'RoR'. It is intended to be used with an Agile development methodology, which is often utilized by web developers for its suitability for short, client-driven projects |