On the past 26 November, CIDATE researchers Nagayamma Aragão, Carlos Smaniotto Costa and Zuinder Manico, presented at the Conference on Regional and Urban Planning organized by the University of Aveiro, the communication entitled The elaboration of the Collaborative Dictionary on Territory and Environment of the CPLP Member Countries in the “parallel session 3. Governance”. In this paper, elaborated in the scope of the project Dicionário Ilustrado do Território e Ambiente | DITA (Illustrated Dictionary of Territory and Environment), the theoretical framework and the modulation of the platform architecture were presented, following the work developed in L3EP, focused on territory, environment, co-creation, citizen science.