The Brazilian governmental decree 4.901 has as one of its goals, the production incentive of digital services. Television commerce (t-commerce) is one possibility for achieving this goal. There are few interactive applications for Brazilian digital TV, including t-commerce applications. One of the reasons for this reduced number of applications are the few instructions for designing Brazilian digital TV applications. This paper aims to identify interaction objects presented on ten interfaces of t-commerce applications from different countries through analytical study. The results provide a set of interaction objects that assists in designing t-commerce applications.