The present paper is part of the ongoing doctoral research on the implications and power of informational design in the early stages of architectural design. We call informational design the design processes based on the active and aware management of information as a productive resource in design creativity. In the text we will discuss, while using as an illustrative example the professional proposal for an architecture ideas competition, four of the aspects we propose as base as key ones for informational design processes. To conclude, we will consider a set of advantages and disadvantages of these processes in the professional practice and in the teaching of architecture.