The Cem, the central communal worship ceremony of the Alevi-Bektasi tradition, is structured around twelve distinct services, each with its own role in the evening's progression. Semah is the one built around movement rather than speech: a set of body movements performed in rhythmic harmony to music played on the saz, a long necked lute, described by UNESCO's own inscription record as mystical and aesthetic body movement rather than as dance in a purely artistic sense.
One detail sets Semah apart from a great many devotional performance traditions found elsewhere: men and women take part side by side, in the same space, at the same time. That is not incidental staging. It reflects a broader Alevi theological position that the sexes stand equally before God, a position that has historically distinguished Alevi practice from many surrounding religious communities and that Semah embodies structurally rather than merely asserting in words.
Two forms of the practice exist, and the difference between them says something about how a minority tradition manages its own visibility. Iceri Semahs happen only inside the Cem itself, among adherents, part of the ceremony's twelve services and not performed for outside observers. Disari Semahs are performed independently of the ceremony specifically to carry the practice, and the culture around it, to younger generations and to a wider public. The tradition maintains, in other words, both a private devotional core and a deliberate public facing door into it.