classes:  lecturer. all are new but have to do for a short time at the end of the semester, while students have to learn a lot of other things.  curriculum. all are new but have to do for a short time at the end of the semester, while students have to learn a lot of other things.  facility. all are new but have to do for a short time at the end of the semester, while students have to learn a lot of other things.  general. all are new but have to do for a short time at the end of the semester, while students have to learn a lot of other things.