Abstract: A system includes a user interface simultaneously displaying an offer selection rule fragment area and a plurality of condition category rule fragment areas, and, in response to a first user selection of a first user interface control associated with the offer selection rule fragment area, displaying a plurality of offer selection rule fragments. The interface receives a second user selection of one of the plurality of offer selection rule fragments, and one or more parameters to associate with the selected rule fragment are received. The selected rule fragment of the selected offer selection rule fragment category and the associated one or more parameters are displayed in the offer selection rule fragment area of the user interface, and a selected rule fragment of a condition category and a second one or more parameters associated with the selected rule fragment of the condition category are displayed in the condition category rule fragment area of the user interface.