French to English Other Education / Pedagogy university transcript and course description

Hello,

During the section dealing with course description (lecturer's name, course materials needed etc.) I have come across these abbreviations - they are obviously timetable related, but I can't think what they stand for!

Britain and the USA Today
Responsable: Mlle XXX
Horaire: E.T. 2 h
T.D. 3 h (en plusieurs groupes)
Description du module: il comprend trois parties
.....

Any help much appreciated - thanks!