A system for enabling user interaction with computer software. The system includes a computer system that determines information and an identity, which are at least partially indicative of a text field. The computer system then determines a layout defining an arrangement for coded data indicative of the identity and information, and transfers print data to a printer to thereby cause the printer to print a form by printing the coded data and the information. The coded data is printed to be substantially coincident with the information such that when a sensing device is placed in an operative position relative to the information, the sensing device can sense the coded data and generate indicating data at least partially indicative of the text field.