The graphical user interface may include a first portion configured to display a plurality of selectable entity characteristic icons, to receive selections from a user of a first selected entity characteristic and of a second selected entity characteristic thereby, and to provide in response at least a first graphical representation and a second graphical representation thereof, respectively. The graphical user interface also may include a second portion configured to display a graphical entity model that includes a combination of the first graphical representation and the second graphical representation, and a third portion configured to display at least a first suggested product to the user, based on the graphical entity model.