When a curriculum is proposed, it is important to verify at least three aspects: that the curriculum allows the achievement of the user's learning goals, that the curriculum is compliant w.r.t. the course design goals, specified by the institution that offers it, and that the sequence of courses that defines the curriculum does not have competency gaps. In this work, we present a constrained-based representation for specifying the goals of "course design" and introduce a design graphical language, grounded into Linear Time Logic.