Didactic Theater
According to the  of the  fourth season episode , Didactic Theater was a Cardassian type of theater.

In a line not found in the final episode, Tora Ziyal talked about how when she lived on Cardassia Prime, her father had once taken her to a performance of his favorite didactic theater group. (Star Trek: Deep Space Nine Companion - A Series Guide and Script Library)
Unused production material