Rozumio is not a language, but rather an attempt to bring together two Slavic auxiliary conlangs Slovio and Slovianski. The language is based on Slovio, and yet can be considered a kind of Slovianski in its primitive form (Slovianski has several versions varying in simplicity/naturalism of grammar). The language is intended for inter-Slavic communication and does not use concepts difficult for non-Slavs to perceive. The general principles are: