The interface of software has high importance for the interaction as well as the user ́s
acceptance. A system with communicability problems can cause waiver of its use if the user does
not have the necessary support from the developer. As the developer may not be present next to
the user in most cases, it is necessary that the system represents it completely, because the
system is the voice of the developer or system designer at time of interaction with the user.
O Sistema Gerencial de Assistência Estudantil (SIGAEst) is an example where there are
many users who, with very little knowledge of technology, have the need to use the system.
Many of these users have difficulties in following all necessary steps to get sign up to run for one
of the aid offered by the University, causing a constant contact to request for help.
This paper presents a review and redesign of communicability of SIGAEst to solve
problems between the system and users. We primarily use techniques based on Semiotic
Engineering to evaluate, inspect and redesign the interfaces of the system searching for the best
user interaction.
The results obtained in this project were satisfactory, in view of the fact that the
assessment that was carried out with users, after the redesign of the system, did not show any
user with difficulties in time to carry out the steps that have been requested.
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