What is the equivalent of French Travaux Diriges (TD) in Anglo-Saxon Universities ? and who leads them? I made my predoctoral and doctoral studies in France. Even after a few postdoctoral years in Anglo-Saxon like Universities, I am still lost for some mapping between the French system and the non-French system, hence my question. (As a matter of fact, the French system may look from outside even more complicated if not obscure because the higher education splits between the Grandes Ecoles system and the University system. Whatever.)

In particular, I am wondering if a Lecturer in Math and/or Physics can lead TD like sessions in an Anglo-Saxon University ? I am looking for a position outside, not to say far away from, France.
Based on the discussion in comments and the Wikipedia article linked to above, TDs appear similar to a "recitation section" at some US universities. At my undergraduate university, the teaching assistant (TA) would get together with some subset of the students of the main lecture course who are assigned to that section and go over exercises assigned by the professor and cover or re-cover things from the lecture that were not very well understood by the students.